rachid’hanna,’phd’ curriculum(vitae( · 4 d)...
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Rachid Hanna, PhD Curriculum vitae Contact details
Employment address: International Institute of Tropical Agriculture, 1st Main Road IRAD, Nkolbisson; BP 2008 (Messa), Yaoundé, Cameroon.
Ph: +237-‐691832101, Mobile: +237-‐670190066; E-‐mail: [email protected]
International mailing address: c/o IITA Ltd., Part 7th Floor, Grosvenor House, 125 High Street, CR0 9XP, United Kingdom.
Personal details Date of Birth: 1 December 1957 Place of birth: Lebanon Family Status: Married; two children Citizenship: USA since 1983 Countries of residence: Lebanon, USA, Benin, Cameroon
Education 1985 -‐ 1992 PhD in Entomology, University of California Davis 1983 -‐ 1985 MSc in Plant Protection and Pest Management, University of California Davis 1979 -‐ 1983 BSc in Horticulture, University of Minnesota Minneapolis-‐St. Paul, with distinction 1969 -‐ 1975 Middle and High School, School of the Savior, Sidon, Lebanon 1962 -‐ 1969 Primary school, School of the Savior, Ferzol, Lebanon
Professional Experience 2010 – Present IITA Country Representative / Director of IITA-‐Cameroon Research Center 2015 to present Co-‐executive Director, Congo Basin Institute (hosted at IITA-‐Cameroon) 2012 – 2013 Leader, Theme managing, pests and diseases, CRP on Roots, Tubers and Banana 2016 to present Principal Scientist, IITA-‐Cameroon 2009 – 2015 Senior Scientist, IITA-‐Cameroon 2002 – 2008 Senior Scientist, IITA-‐Benin 1998 – 2001 Associate Scientist, IITA-‐Benin 1992 – 1997 Postdoctoral Fellow, University of California, Davis 1990 – 1991 Postgraduate Researcher, UC Davis 1989 Co-‐Instructor, Arthropod Pest Management, UC Davis 1984 – 1989 Research Assistant and Graduate Teaching Assistant, UC Davis
Professional affiliation Entomological Society of America African Acarological Association Tephritid workers of Europe, Africa and the Middle East International Society of Tropical Root Crops-‐ Global and Africa Branch
Language proficiency English, fluent French, fluent Arabic, native tongue
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Research Experience Associate Scientist (1990-‐2001), Senior Scientist (2002-‐2016) and Principal Scientist (2016-‐present) at the International Institute of Tropical Agriculture (IITA) where I have and continue to serve as entomologist with wide range of responsibilities:
(1) Africa-‐wide classical biological control of cassava green mite (CGM) program (1998-‐2006);
(2) program on development of IPM options for African root and tuber scale (2003-‐2011);
(3) classical biological control of the coconut mite (2004-‐2014);
(4) Integrated management of cassava pests and diseases in West and Central Africa (2006-‐2011);
(5) classical biological control of the Oriental fruit fly Bactrocera dorsalis and development of integrated programs for managing tephritid fruit flies on fruits and vegetables in West Africa (2007-‐present);
(7) biology and management of the banana aphid and epidemiology of banana bunchy top disease (since 2008);
(8) integrated management of Bemisia tabaci with biological control and host plant resistance (since 2012);
(9) modeling of the effects of climate change on cassava, banana, vegetable and fruit pests and their natural enemies (since 2010);
(10) integrated management of aphids on cabbage and okra with emphasis on biological control, host plant resistance and habitat management (2011-‐2015);
(11) promotion of productive and climate-‐smart cocoa systems to increase profitability and reduce environmental degradation (since 2014);
(12) Intensification of cassava and plantain production for conservation of natural resources around protected areas in Southwest Cameroon (since 2014); and
(13) introduction of pest/disease resistant cassava, plantain and maize germplasm for enhancing productivity, food security, nutrition and income generation (since 2014).
All this research has been conducted in close collaborations with national program partners in sub-‐Saharan Africa, including the following countries: Benin, Cameroon, Democratic Republic of Congo, Ghana, Guinea-‐Conakry, Kenya, Malawi, Mozambique, Nigeria, Tanzania, Togo, Uganda, and Zambia.
In addition, during my tenure at IITA I initiated and managed collaboration with the following (16) universities: Wageningen and Amsterdam (the Netherlands), ENSAM-‐Montpellier (France), Masschussets (Amherst, USA), California at Davis (USA) and at UCLA (USA), Purdue (West Lafayette, Indiana, USA), Cornell (Ithaca, USA), Technical University of Munich (Germany), Gottingen (Germany), BOKU (Vienna, Austria), Abomey-‐Calavi (Benin), Douala, Yaoundé and Dschang (Cameroon), Kinshasa (Kinshasa, DR Congo) , Lomé (Togo), Pretoria (South Africa).
Postdoctoral Scholar (1992-‐1997), Department of Entomology, University of California, Davis. Responsibilities for the development and supervision of research on a cover-‐crop system for the integrated management of spider mites, leafhoppers, mealybugs, nematodes, weeds, vine nutrition, and water use in California vineyards. The broad goal of this research was to provide alternatives to pesticides in grape production with emphasis on biological control of insect and mite pests.
Postgraduate Researcher (1990-‐1992), Department of Entomology, University of California, Davis. Responsibility for the development and supervision of research on the use of cover crops for the integrated management of mite pests in California vineyards. The broad goal of this research was to determine the feasibility of using cover crops as 'insectaries' for predatory mites to enhance biological control of spider mites on grapevines. During this period, I also completed my PhD dissertation and assisted Dr. Frank Zalom in the development of artificial substrate for mass rearing of the minute pirate bug, and Dr. John Borden (Simon Frazer University) with the extraction of Lygus hesperus pheromones.
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Research Assistant (1986-‐1989), Department of Entomology, University of California, Davis. Primary duties involved PhD dissertation and related research on the spatial dynamics, biological control, and impact of pest management practices on spider mites in California vineyards. I also assisted Dr. Wilson with research on (1) the impact of irrigation on leafhoppers in vineyards, (2) the role of prune refuges in enhancing the abundance of the leafhopper parasitoid Anagrus sp. in adjacent vineyards, (3) the importation, evaluation, and establishment of Anagrus biotypes to improve biological control of variegated grape leafhopper, an exotic pest of grapes, and (4) the effect of nitrogen fertilization on several life history parameters of the Pacific spider mite on grapevines.
Research Assistant (1984-‐1985), Department of Entomology, University of California, Davis. Primary Primary duties included investigations on spatial and temporal dynamics and species composition of aphids infesting wheat and barley in Yolo County, California. This was my MSc Project. Management Experience 1. Project management
Of the 56 funded proposals listed below, I had full responsibility for the management of the projects for which I was the principal investigator, and responsibility for managing the components specific to my institution (either IITA or UC Davis) in the remaining successful proposals. Project management included, but was not limited to, research planning and execution, budgeting and budget monitoring, research staff and student management and supervision, development and monitoring of agreements with partners, and reporting and interactions with donors. I also presently oversee the IITA-‐Cameroon station (as Country Representative and director) with 10 t scientists, 65 national staff, and five hosted institutions.
2. IITA Country Representative in Cameroon with the following responsibilities:
a) Represent IITA to external organizations within Cameroon and the neighboring countries. b) Facilitate collaboration/partnership between IITA and local NARS, Universities national
development agencies, private sector, NGOs, and community based organizations. c) Assist in the formalization of agreements between IITA and local research institutions,
NGOs/CBOs. d) Promote IITA work and IITA image in the country. e) Provide backstopping and oversight to station administrators and researchers within the country
in consultation with the Central Africa Director and the Regional Administrator. f) Facilitate communication among IITA scientists within the country through coordination of
location planning and reporting to the Director and report to the Director on location needs or issues as needed.
g) Supervise and approve handover for scientists and other staff at end o contract h) Mentoring of scientists in the country.
3. CGIAR RTB CRP Theme 3 leader (2012-‐2013) with the following responsibilities:
a) Ensure timely completion and updating of RTB Product Portfolio 2014 & 2015 for the cross-‐cutting Product-‐lines of Theme 3, and report on progress in cross-‐cutting research in monthly Skype meetings with the RTB Director and in the yearly face-‐to-‐face RTB Annual Meeting.
b) Ensure quality of science in the complementary funded projects and other cross-‐ cutting research in their designated Theme.
c) Ensure science quality in “RTB complementary funded project reports” and approve the report before sending it to RTB program Management Unit.
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d) Contribute to related cross-‐cutting activities in the annual “Center Progress Monitoring Report” the respective complementary funded projects .
e) Liaise regularly with other contact persons designated by each Center for the Theme they coordinate, to identify new opportunities for cross-‐cutting research and other concerns and issues.
f) Coordinate fund raising, project profile preparation and development of funding proposals for new cross-‐cutting research linked to the Theme.
g) Work with the four Gender Focal Points to ensure gender is adequately addressed in cross-‐cutting work.
h) Support RTB Communication department with materials for web and other media outlets on cross-‐cutting activities.
4. Co-‐Executive Director of the Congo Basin Institute, June 2015 to present:
The Congo Basin Institute is a joint initiative of The University of California, Los Angeles (UCLA) and the International Institute of Tropical Agriculture (IITA) who are leading a multi-‐institutional initiative that established the Congo Basin Institute (CBI) in Cameroon (http://www.cbi.ucla.edu/). Leveraging the resources of local and international universities, industry, and development organizations, the CBI serves as a regional nexus for interdisciplinary research, education, training and technology development focused on critical issues facing the Congo Basin with implications for both the developing and developed world: climate change and its impacts, water and food security, and human and animal health. Work with the four Gender Focal Points to ensure gender is adequately addressed in cross-‐cutting work. The Congo Basin Institute was inaugurated on 20 June 2015.
a) Co-‐executive director rotates with the other co-‐executive director (from UCLA) in chairing the CBI joint steering committee.
b) Reviews application of institutions desiring to join CBI.
c) Provides planning and management support to the CBI management team.
d) Seeks donor support for the CBI and its initiatives.
e) Serves as the liaison between IITA and the CBI.
f) Serves as representative of IITA on the CBI Advisory Board. Grantsmanship a. Grant proposals (author or co-‐author of 64 grant proposals (60 successful)
1. Dominique Dufour with 25 co-‐authors. Breeding RTB products for end-‐user preferences. Submitted by CIRAD to BMGF for $8 million for 5 years. Pending (2018-‐2022).
2. Jason Matthiopoulos Luke Powell, Rachid Hanna. Balancing Afrotropical biodiversity and agriculture through food web models and DNA metabarcoding. Submitted by the University of Glaskow to the Royal Society for International Collaboration (NERC) for £240,000 for two years; IITA budget of £23,000 (Not successful).
3. Paul Woomer, Rachid Hanna, Bernard Vanlauwe, and Cargele Masso. Cameroon Agricultural Value Chain Development Project: Youth Empowerment Component through the IITA Agripreneur Business Incubation Model. Submitted Ministry of Agriculture and Rural Development, Cameroon through the AfDB-‐funded PDCVA project. Funded for $17.5 million; IITA budget $3.42 mil for 5 years (2017-‐2021).
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4. Thomas B. Smith, Kevin Njabo, Rachid Hanna, Zac Tchoundjeu, Matthew LeBreton. Developing an Integrative Program for Sustainable Ebony Production and Harvesting in Central Africa. Taylor Guitar Company; funded for $404,000 for 2 years (2016-‐2018).
5. Apollin Fotso and Rachid Hanna. Support in cassava production and transformation. Chamber of Agriculture, fisheries and livestock, programme on support of production and transformation of root and tuber crops in Cameroon, funded for two years for $71,500 (2016-‐2017).
6. Martin Yemefack, Dieudonne Alomagi (ICRAF), Rachid Hanna. Sustainable management of community forests in Cameroon through capacity development in forest carbon management.. FAO/GEF : GCP/CMR/033/GFF; IITA and ICRAF budget: funded for $200,000 for three years (2016-‐2018).
7. Martin Yemefack, Rachid Hanna, Apollin Fotso, Ann Degrande (ICRAF), Kyle Hollande (Ecoparnters). Conducting within the REDD+ context, a feasibility study and elaborating a Project Design Document (PDD) for Reducing forest degradation and restoration of the vegetal cover in agro-‐forestry and pastoral areas of the Pitoa council. PNDP program Cameroon; IITA budget: $109,061 (2016-‐2017).
8. Rachid Hanna, Lava Kumar, and Sergine Ngatat. Support for the regional program on banana bunchy top disease. Funded by FAO for $49,500 for two years, 2016-‐2017.
9. Rachid Hanna and Nathalie Ewane. Sustainable intensification of cocoa production for improved cocoa productivity and higher income. Funded by GIZ for €1.4 mil for two years (2016-‐2018).
10. Rachid Hanna. Support of the "Programme de Relance de La Filière Plantain" (PRFP) in the Ministry of Agriculture and Rural Development (MINADER), Cameroon for the production of 500,000 tissue culture plantains. Submitted to the Ministry of Agriculture and Rural Development, Cameroon; funded for $500,000 for three years; 2015-‐2018.
11. Rachid Hanna and Apollin Fotso Kuate. Plantain Production and Capacity Building for PSMNR Target Villages around Mount Cameroon National Park. Submitted to KfW/GIZ Project on Sustainable Management of Natural Resources in Southwest Region of Cameroon; funded for $459,774 for three years; 2014-‐2017.
12. Holger Kirscht, Rachid Hanna. Cassava Production and Capacity Building for PSMNR Target Villages around Mount Cameroon National Park. Submitted to KfW/GIZ Project on Sustainable Management of Natural Resources in Southwest Region of Cameroon; funded for $325,500 for three years; 2014-‐2017.
13. Rachid Hanna, Apollin Fotso Kuate, Holger Kirscht, Peter Kulakow, and Abebe Menkir. Support to the World Bank Programme on ‘promotion of production and marketing of agricultural products’. First phase – 2014-‐2015 funded for $414,701; 2014/2015. A second phase is approved for $1.0 mil 2016-‐2018.
14. Rachid Hanna. Support of the "Programme de Relance de La Filière Plantain" (PRFP) in the Ministry of Agriculture and Rural Development (MINADER), Cameroon. Submitted to the Ministry of Agriculture and Rural Development, Cameroon; funded for $27,000 for one year; 2014/2015.
15. Rachid Hanna, Apollin Fotso and Sergine Ngatat. Support to cassava production and management of banana bunchy top disease in Gabon. Submitted to IFAD-‐Gabon project on agriculture and rural development; funded for $109,103 for 17 months (2014/2015).
16. Rachid Hanna, Martin Yemefack, Holger Kirscht, Sander Muillerman. SNV-‐IITA Cameroon Cocoa-‐Eco Program: Promotion of Productive and Climate-‐Smart Cocoa Systems to Increase Profitability and Reduce Environmental Degradation. Submitted the Netherlands Development Foundation; funded for $350,000 for two years (2014-‐2015).
17. Charles Stavers, Lava Kumar, Rachid Hanna and Marie-‐Line Caruana. Banana bunchy top disease (BBTD) containment and recovery: Building capacity and piloting field recovery approaches through a learning alliance. Submitted to complementary funding program for CGIAR Roots, Tubers and Banana Program; funded for $2.4 million for three years (2013-‐2015); IITA share $250,000 per year.
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18. Jurgen Kroschel, Soroush Parsa, Fen Beed and Rachid Hanna. Management of RTB-‐critical pests and diseases under changing climates, through risk assessment, surveillance and modeling. Submitted to CGIAR Roots and Tubers and Banana Program; $2.19 million for three years (2014-‐2015); $420,000 per year for IITA.
19. Peter Minang (ICRAF), Martin Yemefack and Rachid Hanna (IITA), and four other partners. Secured landscapes: sustaining ecosystem and carbon benefits by unlocking reversal of emissions drivers in landscapes. Project submitted by the World Agroforesty Center through Alternatives to Slash and Burn to NORAD/CFI Funding Scheme for Civil Society. Total submission for 6 mil US$ for three years (2013-‐2015) of which IITA portion $255,000.
20. Thomas Smith (University of California Los Angeles), Timothy Bonebreake (University of Hong Kong), and Rachid Hanna. Mapping evolutionary process in the face of climate change: an integrated approach to education and conservation prioritization in Central Africa. Approved by the National Science Foundation PIRE program for five years (2013-‐2017). Award amount to date is $905,998.00. IITA responsible for studies on the diversity and response of the nymphalid Bicyclus dorothea in Central Africa. IITA portion covers the research by a Cameroonian PhD student for a total of ~$50,000.
21. Thomas Smith (UCLA), Hillary Godwin (UCLA), John Clemens (UCLA), Rachid Hanna (IITA), and Zac Tchoundjeu (ICRAF). Establishment of a Center for Integrative Development in Cameroon to be based at IITA Campus in Cameroon. Proposal submitted to USAID RFA on Higher Education Solutions Network for $25 million (2012-‐2017; unsuccessful).
22. Benjamin Normark (Univ. of Mass), Geoffrey Morse (San Diego State Univ.) and Rachid Hanna (IITA), Extreme polyphagy, extreme diversity or both? Armored scale insects of tropical rainforests on 4 continents. Proposal submitted to NSF for $650,000 (2013-‐2016; funded but IITA portion removed due to lower funding level). Unsuccessful
23. Rachid Hanna, James Legg, Lava Kumar, Luis Augusto Becera-‐Lavalle, Soroush Parsa, Jurgen Kroshel, and Peter Kulakow. Towards the development of comprehensive strategy for combating Bemisia tabaci – a continuing menace to R&T crops. CGIAR CRP 3.4 complementary funding; funded for $100,000 (2012-‐2013).
24. Jurgen Kroshel, Fen Beed, Rachid Hanna and five other scientists. Management of critical pests and diseases of RTBs through enhanced risk assessment and surveillance. CGIAR CRP 3.4 complementary funding; funded for $100,000 (2012).
25. Pascale Lepointe, Charles Staver, Lava Kumar, Rachid Hanna, and Guy Bloome. Building a collaborative, public private R4D alliance to address BBTV in Sub-‐Saharan Africa. CGIAR CRP 3.4 complementary funding; funded for $100,000 (2012).
26. Rachid Hanna, Apollin Fotso Kuate, and Emmanuel Njukwe. Integrated plantain management in Cameroon. CORAF/CARBAP; approved for $100,000 (2012-‐2013).
27. Rachid Hanna. Support the "Programme de Relance de La Filière Plantain" (PRFP) in the Ministry of Agriculture, Cameroon. PRFP-‐MINADER, Cameroon; funded for 35,000,000 FCFA (~$75,000) (2011/2012).
28. Rachid Hanna, Sergine Ngatat, and Lava Kumar. Application of molecular diagnostics in research on the epidemiology and management of banana bunchy top disease (BBTD) and its aphid vector, Pentalonia nigronervosa, in Cameroon United Nations University On-‐the-‐Job-‐Training Capacity Building for S. Ngatat; approved for $21,140 (2011/2012).
29. Armand Doumtsop, Rachid Hanna, and Benjamin Normark. Population genetics of the scale insect Stictococcus vayssierei and implications for the development of host plant resistance for this major cassava pest in Central Africa. Borlaug-‐LEAP; approved for $20,000 (2011/2012).
30. Stewart Gray and Michelle Cilia (USDA-‐ARS/Cornell University), with Lavar Kumar and Rachid Hanna (IITA), Michael MacCosss and Michael Beremen (University of Washington) and Alvin Simmons (USDA-‐ARS, South Carolina). Novel biomarkers that rapidly identify insect populations
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that are efficient vectors of circulative plant viruses. NSF-‐BREAD, approved in July 2011 for $850,000 ($185,000 for IITA) for three years (2011-‐2014).
31. James Legg, with Rachid Hanna, Peter Kulakow, Lava Kumar, and Edward Kanju. Novel strategies for managing whiteflies on cassava. Strategic Research Initiative, IITA. Approved for $115,000 for two years (2010-‐2011).
32. Sunday, Ekesi, with Rachid Hanna, Samira Mohamed, Thomas Hoffmeister, and Bill Hanson. 2010. Combating fruit flies and mango seed weevil through community-‐based implementation of a sustainable IPM programme for mango in sub-‐Saharan Africa. BMZ, approved for €1.2 million (€155,000 for IITA) for three years (2011-‐2014).
33. Rachid Hanna, with Sunday Ekesi, Lava Kumar, and Wolfgang Weisser. Enhancing horticultural productivity, incomes and livelihoods through integrated management of aphid pests on vegetables in sub-‐Saharan Africa. BMZ; funded for €1.2 million (€785,000 for IITA) for three years (2011-‐2014); extended to 31 December 2015.
34. Aime Bokonon-‐Ganta and Rachid Hanna. Contributions to the implementation of a pilot regional program for sustainable management of fruit flies to enhance mango fruit production in Benin. IFAR; funded for $11,000 for one year (2010).
35. Jurgen Kroschel, with Rachid Hanna, Adenirin Chabi Oleye. 2010. Predicting climate change induced vulnerability of African agricultural systems to major insect pests through advanced insect phenology modeling and decision aid development for adaptation planning. BMZ, approved for €1.2 million (€175,000 for IITA) for three years (2010-‐2013).
36. Rachid Hanna, Russell Messing and Lava Kumar. Classical biological control of the banana aphid. USAID Linkage Grants program; funded for $25,000 for 1.5 years (2009-‐2010).
37. Rachid Hanna (with input from G. Goergen, Pete Van Asten, Stefan Hauser, and Lava Kumar). Biological control of the banana aphid: its distribution and abundance on Musa and alternative host plants, and identification of its associated ants and natural enemies in the Congo Basin. IITA Opportunity Grants Programme; funded for $37,000 (2008).
38. Sunday Ekesi and Rachid Hanna. Development and implementation of a sustainable IPM program for major mango pests and opportunity for improving market and processing information. Submitted with icipe and approved by BMZ starting 2007. First phase funded for €1.05 million (€135,000 for IITA) for three years (2007-‐2010).
39. Maurice Sabelis and Rachid Hanna (principal author). Classical biological control of the invasive coconut mite in Africa and Asia: integrating biological and molecular studies in the search and introduction of effective natural enemies. Submitted by Maurice Sabelis to WOTRO Integrated Projects Program. WOTRO provided €11,000 for a workshop in January 2007 for the development of the full proposal. Project was funded for €611,000 for four years (2008-‐2012).
40. Rachid Hanna. Integrated protection of cassava from emerging pests and diseases that threaten rural livelihoods. Funded by the International Fund for Agricultural Development at $1.3 million (2007-‐2011).
41. Rachid Hanna. Classical biological control of Bactrocera invadens – foreign exploration for natural enemies in Sri Lanka. Funded by an IITA opportunity grant for $14,000 (2006).
42. Maurice Sabelis, Rachid Hanna, and Alexis Onzo. Understanding how tri-‐trophic interactions influence the success of biological control: the case of cassava, cassava green mite and its predator Typhlodromalus aripo in Africa. Funded by the Netherlands Foundation for the Advancement of Tropical Research (WOTRO) at €62,100 for two years (2006-‐2008) as postdoc fellowship for A. Onzo.
43. Rachid Hanna, Apollin Fotso Kuate, Maurice Tindo, Georg Goergen, and Peter Nagel. Towards the development of sustainable control options for the African root and tuber scale on cassava in Central Africa – understanding the biology and ecology of the tending ant Anoplolepis tenella. Funded by the Swiss Centre for International Agriculture (ZIL) at CHF160,000 (2006-‐2009).
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44. Rachid Hanna and Georg Goergen. Development and implementation of classical biological control of the tephritid fly Bactrocera invadens – establishing collaborative links with the International Centre for Insect Physiology and Ecology (ICIPE) and Sri Lanka NARS. Funded by IITA Competitive Research Grants Program at $10,000 for one year (2005).
45. Gilberto M. de Moraes, Ignace Zannou, and Rachid Hanna. Comparison of African and Brazilian phytoseiid fauna. Supported by FAPESP; a three-‐year fellowship for Ignace Zannou at the University of Sao Paulo, Brazil (2005-‐2008).
46. Maurice Sabelis and Rachid Hanna. Microbial control of cassava green mite with indigenous and exotic isolates of Neozygites tanajoae and host-‐pathogen interactions. One year fellowship for Fabien Hountondji for €10,000 to complete his Ph.D. Funded by the University of Amsterdam (2004).
47. Rachid Hanna. Molecular characterization of populations of the tephritid fruit fly Dacus punctatifrons from Central and West Africa. Funded by the IITA Competitive Research Grants Program at $6,000 for one year (2004).
48. Rachid Hanna. Classical biological control of the coconut mite. Funded by the Austrian Federal Ministry of Finance at €414,000 for three years (2004-‐2006; NCE to October 2008).
49. Rachid Hanna (with other IITA scientists). Technical back-‐stopping of the project on development of root and tuber crops in Benin. Funded by the International Fund for Agricultural Development through the Benin government at $190,000 for 5 year (2003-‐2008; ultimately received $84,000).
50. Rachid Hanna. Development and application of sustainable technologies for the management of cassava pests and diseases in sub-‐Saharan Africa. Funded by the International Fund for Agricultural Development at $1.0 mil for three years (2003-‐2006).
51. Maurice Sabelis, Rachid Hanna, and Arne Janssen. Africa-‐wide implementation of classical biological control of cassava green mite: plant related factors affecting the establishment of exotic predators. Ph.D. fellowship for A. Onzo funded by the Netherlands Foundation for the Advancement of Tropical Research at €50,000 for three years (2001-‐2004).
52. Rachid Hanna. Implementation of classical biological control of cassava green mite in Africa. Funded by the International Fund for Agricultural Development at $1.5 mil for four years (1999-‐2003).
53. Christine Zundel, Rachid Hanna, and Peter Nagel. Innovation in the classical biological control of cassava green mite in northwestern Cameroon. PhD fellowship for Christine Zundel funded by the Swiss Development Agency at $180,000 for three years (2002-‐2005).
54. Ann Hajek, Italo Delalibera, Andy Cherry, and Rachid Hanna. Development of molecular probes for detection of mite pathogenic strains of Neozygites sp. used as biological control agents in Africa. Funded by United States Agency for International Development through IITA at $22,658 for one year (2001).
55. Alfred Dixon, Nzola Mahungu, Rachid Hanna, James Legg, Pierre Rousseau and Mpoko Bokanga. Accelerated generation and deployment of cassava technologies for enhanced and sustainable food availability and poverty alleviation in the Democratic Republic of Congo. Funded by USAID for $3.5 million for four years (2001-‐2006).
56. Ignace Zannou and Rachid Hanna. Non-‐target effects of classical biological control of cassava green mite in southern Africa. Ph.D. fellowship funded by IITA at $18,750 for three years (1999-‐2002).
57. Walt Bentley, Rachid Hanna, Frank Zalom, and Don Luvisi. Mealybug research in San Joaquin Valley vineyards. Funded by the California Table Grape Commission at $33,314 for one year (1998).
58. Frank G. Zalom Rachid Hanna. Establishment of economic thresholds for western grape leafhopper on winegrapes in Carneros, California. Funded by the American Vineyard Foundation at $10,000 for one year (1997).
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59. Frank G. Zalom, Rachid Hanna, Clyde Elmore, Robert Miller, and Larry Williams. Cover crops for sustainable vineyard production -‐ beyond the transition phase. Funded by USDA/CSRS Sustainable Agriculture Research and Education Program at $122,559 for three years (1995-‐1997).
60. Frank G. Zalom, Rachid Hanna, Clyde Elmore, Robert Miller, and Larry Williams. Multidisciplinary assessment of the use of cover crops for pest control. Funded by USDA National Research Initiative Competitive Grants Program at $120,000 for two years (1996-‐1997).
61. Frank G. Zalom, Rachid Hanna, Clyde Elmore, and L. Peter Christensen. A cover crop system for vineyard pest, weed, and vine nutrition management. Funded by USDA/CSRS Sustainable Agriculture Research and Education program at $121,697 for three years (1992-‐1994), California Raisin Advisory Board at $10,500 for one year (1992), the California Table Grape Commission at $6,500 for one year (1992), and the American Vineyard Foundation at $33,000 for three years (1992-‐1994).
62. Rachid Hanna, Frank G. Zalom, and Dennis Culver. Cover crops in IPM of wine grapes. Funded by the Lodi-‐Woodbridge Winegrape Commission at $38,250 for three years (1993-‐1995).
63. Rachid Hanna, Frank G. Zalom, and James R. Carey. A fall-‐winter-‐spring cover crop system for the integrated management of spider mites and leafhoppers in San Joaquin Valley vineyards. Funded by the California Raisin Advisory Board and the California Table Grape Commission at $53,700 for two years (1990-‐1991).
64. L. Ted Wilson and Rachid Hanna. Evaluation of presence-‐absence sampling for spider mites and associated predators in Thompson Seedless vineyards. Funded by the University of California Statewide Integrated Pest Management at $13,318 for one year (1988).
Training and extension experience a. University teaching
1. Co-‐Instructor (with Dr. Michael Parrella and Dr. Andrew Corbett): Department of Entomology, University of California, Davis. Pest Management and the Agricultural Landscape (2 quarter units).
2. Graduate Teaching Assistant (with Dr. L. Ted Wilson and Dr. Jeffery Granett): Department of Entomology, University of California, Davis. Arthropod Management in Agriculture (4 quarter units), Winter Quarter 1986, 1988, and 1989. Responsibilities included planning and conducting weekly three-‐hour laboratory sessions, and presenting several lectures on various topics related to arthropod biology and pest management.
b. Student supervision During my 18+ year tenure at IITA, I have co-‐supervised the theses of a total of 25 PhD, 28 MSc and 24 BSc students. The students typically conduct their research at IITA and complete their course work and thesis defense at their respective university. The following is a selected list of the names of students and their theses titles.
PhD (25)
1. Milimo Mebelo, deceased. (PhD, 1999). Selection of phytoseiids for introduction into Zambia to control cassava green mite, Mononychellus tanajoa (Acari: Tetranychidae). Imperial College, United Kingdom. Co-‐supervised with Simon Leather and Gilberto de Moraes. Student sadly passed away before completing the manuscripts resulting from his dissertation.
2. Desire Gnanvossou (PhD, 2002). Infochemical use by exotic phytoseiid predators of the cassava green mite Mononychellus tanajoa (Acari: Phytoseiidae) in Africa. Wageningen University, the Netherlands. Co-‐supervised with Marcel Dicke.
3. Alexis Onzo (PhD, 2003). Population dynamics of cassava green mite and its exotic predator Typhlodromalus aripo in Benin, West Africa. University of Amsterdam, the Netherlands. Co-‐supervised with Maurice Sabelis.
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4. Ignace Zannou (PhD, 2003). Non-‐target effects of classical biological control of cassava green mite in southern Africa. Ecole National Supérieur d’Agriculture – Montpellier, France. Co-‐supervised with Serge Kreiter and Gilberto de Moraes.
5. Fabien Hountondji (PhD, 2005). Microbial control of cassava green mite with Neozygites tanajoae (Entomophthorales: Neozygitaceae) in Benin. University of Amsterdam, the Netherlands. Co-‐supervised with Maurice Sabelis.
6. Christine Zundel (PhD, 2006). Of Mites and Men -‐ Agro-‐ecological factors affecting the neotropical predatory mite Typhlodromalus aripo DeLeon and its potential to control the cassava green mite in the mid-‐altitudes of Cameroon. University of Basle, Switzerland. Co-‐supervised with Peter Nagel and Urs Scheideger.
7. Emile Lawson (PhD, 2008). Classical biological control of the coconut mite – exploration in Brazil for candidate natural enemies for introduction into Africa. Department of Applied Plant Sciences and Plant Biotechnology, Institute of Plant Protection, University of Natural Resources and Applied Life Sciences, Vienna, Austria. Co-‐supervised with Peter Schausberger and Gilberto de Moraes.
8. Bonaventure Agboton (PhD, 2009). Classical microbial control of the cassava green mite in Africa: Molecular characterization, persistence, dispersal, and impact studies of Neozygites tanajoae (Entomophthorales: Neozygitaceae). Co-‐supervised with Professor Andreas von Tiedmann, Gottingen University, Germany.
9. Apollin Fotso Kuate (PhD, complete 2010). Towards the development of sustainable management options for the African root and tuber scale – understanding the biology and ecology of the tending ant Anoplolepis tenella. Co-‐supervised with Peter Nagel (University of Basel).
10. Koffi Negloh (PhD, complete 2012). Ecology and classical biological control of the coconut mite in Africa. Department of Applied Plant Sciences and Plant Biotechnology, Institute of Plant Protection, University of Natural Resources and Applied Life Sciences, Vienna, Austria. Co-‐supervised with Peter Schausberger.
11. Nazer Famah (PhD, complete 2012). Molecular and morphometric characterization of geographic populations of two species of predatory mites associated with the coconut mite in Brazil, Benin and Sri Lanka. University of Amsterdam, the Netherlands. Co-‐supervised with Prof. Maurice Sabelis (UvA).
12. Igwe, David Okeh (PhD, completed December 2015). Novel biomarkers that rapidly identify insect populations that are efficient vectors of circulative plant viruses. University of Ibadan, Nigeria; co-‐supervised by L. Kumar (IITA) and Michele Cilia (USDA-‐ARS and Cornell University).
13. Fernando Rodriguez (PhD, completed July 2016). Explorations for coconut mite natural enemies in South America. University of Amsterdam. Co-‐supervised with Prof. M.W. Sabelis (UvA) and Gilberto de Moraes (Univ. Sao Paulo).
14. Nestor Eleko (PhD, completed August 2017). Distribution and abundance and host plant relations of the African root and tuber scale in North Kivu, Democratic Republic of Congo. University of Kinshasa. Co-‐supervised with Prof. A. Lema and Dr S. Hauser; funded by REAFOR and IFAD.
15. Abang, Albert (PhD, to be completed in December 2017). Development of okra resistance to the cotton aphid. University of Yaounde I, Cameroon. Co-‐supervised with S. Ramasamy, World Vegetables Center (AVRDC).
16. Armand Doumtsop (PhD, to be completed in June 2018). Population genetics and diversity of the African root and tuber scale: understanding mechanisms of host shifts and identifying molecular markers for use in the development of sustainable scale control options. University of Yaounde I in Cameroon in collaboration with Dr B. Normark at the University of Massachusetts, USA.
17. Ngatat, Sergine (PhD, to be completed in January 2018). Population dynamics and management of the banana aphid and epidemiology of banana bunchy top disease. University of Dschang, Dschang, Cameroon; co-‐supervised with L. Kumar.
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18. Djomaha, Edwige Sidoine (PhD, to be completed January 2018). Bionomics and management of aphids associated with cabbage in the highlands of Cameroon with emphasis on interactions between aphid and diamondback moth management. University of Dschang, Dschang, Cameroon.
19. Akanksha Singh (PhD, completed in September 2016). Multitrophic interactions in an okra-‐aphid-‐ant system. Technical University of Munich. Co-‐supervised with Wolfgang Weisser.
20. Michel Dongomo (PhD, to be completed in June 2018). Diversity and adaptability of the nymphalid butterfly Bicyclus dorothea under climate change. University of Yaounde I. Co-‐supervised by Dr Timothy Bonebrake, University of Hong Kong and funded through an NSF PIRE grant to Dr Thomas Smith, University of California Los Angeles.
21. Samuel Nanga Nanga (PhD, to be completed in June 2018). Biology and ecology of Fopius arisanus, an introduced parasitoid for the biological control of the tephritid fruit fly Bactrocera invadens. University of Yaounde I. Co-‐supervised with S. Kekeunou.
22. Gertrude Membang (PhD, to be completed in September 2018). Development of a biopesticide for the microbial control of the banana weevil. University of Yaounde I. Co-‐supervised with Z. Ambang.
23. Hermine Mahot (PhD, to be completed in September 2018). Development of a biopesticide for the microbial control of cocoa mirids. University of Yaounde I. Co-‐supervised with J. Bilong Bilong.
24. Alvine Tchouga (PhD, to be completed in June 2019). Production of cocoa and ebene in tissue culture. University of Yaounde I. Co-‐supervised with Givonni Forgione and Thomas B. Smith.
25. Nadia Toukem (PhD, to be completed in June 2019). Diversity and seasonality of cocoa pollinators and their impact on cocoa productivity. University of Yaounde I. Co-‐supervised with Sevillor Kekeunou.
MSc/MA/DEA (selected of a total of 28) 1. Mercy Butao (MSc, 2004). Impact of indigenous phytoseiids on whiteflies on cassava in Malawi.
University of Pretoria, South Africa. Co-‐supervised by Kerstin Kruger and James Legg. Supported by IFAD.
2. Apploin Fotso Kuate (MSc, 2004). Biology of the ant Anoplolepis tenella – cast structure, colony size, and diet breadth. University of Yaoundé I, Cameroon. Co-‐supervised by Maurice Tindo.
3. Diane Bothon (MSc, 2008). Etudes chimiques et effet olfactifs de quatre especes de Cymbopogon acclimatees au benin sur les mouches des fruits (Diptera : Tephritidae). University of Abomey-‐Calavi, Benin ; Co-‐supervised with Desire Gnanvossou.
4. Armand Doumtsop (MSc, 2008). Effects of temperature and humidity on the development of immature life stages of the African root and tuber scale Stictococcus vayssierei. University of Yaoundé I, Cameroon. Co-‐supervised with Maurice Tindo.
5. Anicet Dassou (MSc, 2010). Population dynamics of the mango seed weevil. University of Abomey-‐Calavi, Benin; co-‐supervised with D. Gnanvossou.
6. Sergine Ngatat (MSc, 2010). Biology of the banana aphid on local and improved banana and plantain genotypes in Cameroon. University of Dschang, Cameroon.
7. Ginette Azandeme (MSc, 2011). Identification of resting hosts of cucurbit fruit flies and best protein bait for monitoring adult populations. University of Abomey, Benin. Co-‐supervised with D. Gnanvossou.
8. Illyath Bello (MSc, 2011). Interactions between Neozygites tanajoae and Typhlodromalus aripo and implications for the biological control of cassava green mite. University of Abomey-‐Calavi, Benin; co-‐supervised with A. Onzo.
9. Jeanette Winsou (MSc, 2012). Effect of relative humidity on pupal survival of six species of economically important tephritid fruit flies. University of Abomey-‐Calavi, Benin; co-‐supervised with D. Gnanvossou.
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10. Dongmo, Michel (MSc, 2013). Thermal response of the Sri Lanka fruit fly Bactrocera invadens for risk assessment of the effects of climate change on its distribution and abundance. Co-‐supervised by S. Kekenou, University of Yaoundé I.
11. Nanga Nanga, Samuel (MSc, 2013). Thermal response of the parasitoid Fopius arisanus and risk assessment of the effects of climate change on its distribution and abundance. Co-‐supervised by S. Kekenou, University of Yaoundé I, Cameroon.
12. Membang, Gertrude (MSc, 2013). Identification of virulent strains of the entomopathogens Beauvaria bassiana and Metarhizium anisopliae for the microbial control of the banana weevil. Co-‐supervised by Z. Ambang, University of Yaoundé I, Cameroon.
13. Toukem, Nadia Karel (MSc, completed July 2015). Interactions between leaf beetles and aphids on growth and yield of two okra varieties. Co-‐supervised by S. Kekenou, University of Yaoundé I, Cameroon.
14. Steve Soh (MSc, completed in July 2015). Thermal response of the cabbage aphid and modeling its response to climate change scenerios. Co-‐supervised with S. Kekenou, University of Yaounde 1.
15. Michel Thierry Tene (MSc, completed in June 2016). Suitability of cassava genotypes to the whitefly Bemisia tabaci: influence of plant hairiness and drought tolerance. Co-‐supervised with S. Kekenou, University of Yaounde 1.
16. Isaac Tize (MSc, completed September 2016). Dynamics of whiteflies on various cassava genotypes in the Adamawa region of Cameroon. Co-‐supervised with Dr Elias Neukenine and Dr Apollin Fotso, University of Ngaoundere.
17. Adele Noudjilembaye (MSc, completed December 2016). Production de Cucurbitacées sur de différents régimes de fertilisation et de produits phytosanitaires. Co-‐supervised with Dr Elias Neukenine and Mr Albert Abang, University of Ngaoundere.
18. Floriane Nguembou Wandji (MSc, completed July 2017. Amerlioration des performances d’un sechoir solaire direct type serre pour le sechage des feves de cacao. Co-‐supervised with Dr Tangka, University of Dschang.
BSc (4 and 5-‐year degrees – selected of a total of 24) 1. Yao Sefe Gogovor, 2004. Effect of cassava variety on the biological control of the cassava green
mite in the humid forest agro-‐ecology of Togo. University of Lomé, Togo. Co-‐supervised with A. Gumedzoé.
2. Agnotchémé, Innocent, 2006. Dynamics of fruit fly infestation in citrus orchards in southern Benin. University of Abomey-‐Calavi, Benin. Co-‐supervised with Alphose Agbaka and Desire Gnanvossou.
3. Daye Loffa, Joel. 2007. Etude de quelques paramètres biologiques de Amblyseius swirskii (Acari: Phytoseiidae) prédateur de Megalurothrips sjostedti (Thysanoptera: Thripidae) ravageur de niébé, Vigna unguiculata. University of Abome-‐Calavi. Co-‐supervised with Manu Tamo.
4. Houedokoho, Freddy. 2008. Biologie et table de vie de Amblyseius swirskii (Athias Henriot) sur l’acarien de Gboma, Polyphagotarsonemus latus Banks et quelques substrats alimentaires alternatifs. University of Parakou. Co-‐supervised with Alexis Onzo.
5. Ndjab, Michel Rodrigue. Completed in January 2012. Thermal response of the banana aphid. University of Dschang, Cameroon. Co-‐supervised with A. Fotso Kuate.
6. Broutani, Samir. To be completed in March 2012. Predation of the predatory mite Amblyseius swirskii and the whitefly Bemisia tabaci – effect of addition of maize pollen. University of Parakou, Benin. Co-‐supervised by A. Onzo and I.D. Zannou.
7. Ahandessi, Anne-‐Marie. To be completed in March 2012. Laboratory studies on the interactions between the weaver ant Oecophylla longinoda and the Sri Lank Fly Bactrocera invadens and its
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parasitoids Fopius arisanus. University of Abomey-‐Calavi, Benin. Co-‐supervised with D. Gnanovssou.
c. Bench training and extension activities 1. Training of Trainers on cocoa ICPM, PRD and OH. Ayos, Konye, and Mbalmayo, Cameroon. 2. Training on banana bunchy top disease detection and management for researchers from
Cameroon, Equatorial Guinea, and Gabon. Three-‐day course held at IITA-‐Cameroon, Yaounde. 3. Training of Trainers on use of pheromones for monitoring cocoa mirids. Ayos and Konye,
Cameroon. 4. Training of Trainers on basics of REDD+ -‐ using GPS and carbon stock measurements. Ayos and
Konye, Cameroon. 5. Co-‐organized two workshops for training Insect Life Cycle Modelling within the framework of a
collaborative project on the subject with the International Potato Center (CIP); Yaoundé, Cameroon.
6. Bench training for NARS collaborators on mite pathology with application in microbial control of cassava green mite based on the use of Neozygites tanajoae, Cotonou, Benin.
7. Several cassava IPM field days – training on management of cassava pests and diseases – in Benin and Cameroon.
8. Several workshops (for government extension agents and farmers) in various localities in Cameroon on plantain IPM, including two workshops on banana bunchy top disease.
9. Organized and chaired workshop on Konzo (acute cyanide poisoning) in Cameroon. 10. Organized and chaired stakeholders meeting on the JICA Savanna/Forest project, Yaoundé,
Cameroon. 11. Tephritid fruit flies biology and management, Porto Novo, Benin. 12. Ecology and management of African root and tuber scale, Nkolbisson, Cameroon. 13. International training course on cassava IPM in Nampula, Mozambique. 14. International acarology training courses for scientists from 12 countries in sub-‐Saharan Africa,
three courses from 1998-‐2004. 15. Numerous bench training on cassava IPM for scientists and extension agents from several
countries in sub-‐Saharan Africa (1998-‐2010). 16. Workshop with Lucia Varela (IPM Advisor, UC Cooperative Extension, Sonoma California) on the
identification and management of spider mites and their natural enemies in winegrape vineyards.
17. Training cooperative Extension Farm Advisors in the use of presence absence sampling for spider mites in vineyards in California.
18. Developed numerous training and education brochures: e.g., banana and plantains pest and management; fruit flies management; ant management; cassava pest management.
19. Prepared news articles (e.g., Fruit flies management for Tephritidworkers.org website; banana bunchy top for IITA-‐Bulletin, etc.).
Publications a. Peer-‐reviewed – published online and in print (122) with at least 10 in preparation or in review. 1. Manju, E. B., G. A. Mbong, N. C. Fokunang, A. E. Tembe-‐Fokonang, and R. Hanna. 2017.
Application of in-‐vitro micropropagation technique for sustainable production of four local taro cultivars [Colocasia esculenta (L.) Schott] in Cameroon. African Journal of Biotechnology 16: 1638-‐1645. DOI: 10.5897/AJB2017.15921
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2. Manju, E. B., C. N. Founang, G. A. Mbong, T. S. Tima, C. Suh, E. A. Tembe-‐Fokunang, and R. Hanna. 2017. Impact of fungicide applications on taro leaf blight disease in three regions of Cameroon. Journal of Experimental Agriculture International 17(4): 1-‐23.
3. Gnanovssou, D., R. Hanna, G. Goergen, D. Salifu, T. Chrysanthus, S. Mohamed, and S. Ekesi. 2017. Diversity and seasonal abundance of tephritid fruit flies in three agro-‐ecosystems in Benin, West Africa. Journal of Applied Entomology (in press).
4. Fuller, T., P. R. Sesink Clee, K. Y. Njabo, A. Tróchez, K. Morgan, D. B. Meñe, N. M. Anthony, M. K. Gonder, W. R. Allen, R. Hanna, T. B. Smith. 2018. Climate warming causes declines in crop yields and lowers school attendance rates in Central Africa. Science of the Total Environment 610-‐611: 503-‐510.
5. Singh, A., W. W. Weisser, R. Hanna, R. Houmney, and S. E. Zytynska. 2017. Reduce pests, enhance production: Benefits of intercropping at high densities for okra farmers in Cameroon. Pest Management Science DOI10 .1002/ps.4636.
6. Ngatat, S., R. Hanna, P. L. Kumar, S. M. Gray, M. Cilia, R. T. Ghogomu, and D. A. Fontem. 2017. Relative susceptibility of Musa genotypes to banana bunchy top disease in Cameroon and implications for disease management. Crop Protection July 2017. doi.org/10.1016/j.cropro.2017.07.018.
7. Dongmo, M. A. K., T. C. Bonebrake, A. Fomena, and R. Hanna. 2017. Life history notes on Bicyclus dorothea Cramer (Nymphalidae: Satyrinae) in Cameroon. Tropical Lepidoptera Research 27: 28-‐32.
8. Anato, F. M., A. H. Bokonon-‐Ganta, D. Gnanvossou, R. Hanna and C. L. Change. 2017. Assessment of a liquid larval diet for rearing Dacus species and Bactrocera dorsalis (Diptera: Tephritidae). Journal of Applied Entomology 11 July 2017. DOI: 10.1111/jen.12419.
9. Bayissa, W., S. Ekesi, S. A. Mohamed, G. P. Kaaya, J. M. Agacha, R. Hanna, and N, K. Maniania. 2017. Selection of fungal isolates for virulence against three aphid pest species of crucifers and okra. Journal of Pest Science 90: 365-‐368.
10. Silatsa, F.B.T., M. Yemefack, N. Ewane-‐Nonga, A. Kemga, and R. Hanna. 2017. Modeling carbon stocks dynamics under fallow and cocoa agroforestry systems in the shifting agricultural landscape of central Cameroon. Agroforestry Systems DOI 10.1007/s10457-‐016-‐9973-‐4.
11. Eleko Ndengo, N., A. L. Ki-‐Munseki, R. Hanna and K. Ngbolua. 2016. Screening cassava (Manihot esculenta CRANTZ) genotypes for resistance to African root and tuber scale (Stictococcus vayssierei Richard) in different agro-‐ecological zones of Beni (North Kivu, DR Congo. International Journal of Innovation and Applied Studies 16 (1): 210-‐225. http://www.ijias.issr-‐journals.org.
12. Da Silva, F. R., G. J. de Moraes, I. Lesna, Y. Sato, C. Vasquez, R. Hanna, M. W. Sabelis, and A. Janssen. 2016. Size of predatory mites and refuge entrance determine success of biological control of the coconut mite. BioControl 61:681-‐689.
13. Singh, A., S. E. Zytynska, R. Hanna, and W. W. Weisser. 2016 Ant attendance of the cotton aphid is beneficial for okra plants: deciphering multitrophic interactions. Agriculture and Forest Entomology, 18: 270-‐279.
14. Djomaha, E.S., R. T. Ghogomu, R. Hanna, E. S. Ngatat, N. F. Lontsi. 2016. The effects of extract of Azadirachta indica (Neem) oil and Imidacloprid (IRON 30SC) on the population dynamics of Brevicoryne brassicae, Lipaphis pseudobrassicae and Plutella xylostella on white cabbage. International Journal of Agronomy and Agricultural Research. 8(4): 135-‐142.
15. Abang, A., R. Srinivasan, S. Kekeunou, M. Yeboah, R. Hanna, M.Y. Lin, A. Tenkouano, and C. Bilong Bilong. 2016. Relationship of phenotypic structures and allelochemical compounds of okra (Abelmoschus spp.) to resistance against Aphis gossypii Glover. International Journal of Pest Management 62: 65-‐63.
16. Bayissa, W., S. Ekesi, S. A. Mohamed, G. P. Kaaya, J. M. Wagacha, R. Hanna and N. K. Maniania. 2016. Interactions among vegetable infesting aphids, the fungal pathogen Metarhizium anispoliae (Ascomycota: Hypocreales) and the predatory coocicnellid Cheilomenes lunata (Coleaptera: Coccinellidae). Biocontrol Science and Technology 6(2): 274-‐290.
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17. Fokunang, C., G. Mbong, M. Evelyn, T. Estella, and R. Hanna. 2016. Screen House and Field Resistance of Taro Cultivars to Taro Leaf Blight Disease (Phytophtora colocasiae). British Biotechnology Journal 15: 1-‐15.
18. Fotso Kuate, A., R. Hanna, M. Tindo, A. Doumtsop, and P. Nagel. 2015. How plants and honeydew-‐producing hemipteran insects affect ant species richness and structure in a tropical forest zone. Insectes Sociaux 62: 442-‐453.
19. Fotso Kuate, A., R. Hanna, P. Nagel, and M. Tindo. 2015. Transport and dispersal of Stictococcus vayssierei (Homoptera, Stictococcidae) by Anoplolepis tenella (Hymenoptera, Formicidae). Journal of Insect Behavior 28: 426-‐435.
20. Mbong, G. A., C. N. Fokunang, E. B. Manju, A. P. Njukeng, E. A. Temb-‐Fokunang, and R. Hanna. 2015. Mycelia Growth and Sporulation of Phytophthora colocasiae Isolates under Selected Conditions. American Journal of Experimental Agriculture 8(4): 193-‐201.
21. Hanna, R., A. Fotso Kuate, S. Nanga Nanga, M. Tindo and P. Nagel. 2015. Boric acid for the suppression of the ant Anoplolepis tenella in cassava fields. Crop Protection 74: 131-‐137.
22. Fotso Kuate, A., R. Hanna, P. Nagel, and M. Tindo. 2015. Ant diversity in the humid forest zone of Cameroon: Distribution of the pest ant Anoplolepis tenella Santschi (Hymenoptera: Formicidae). Biotropica 47: 94-‐100.
23. Kumar, P. L., R. Selvarajan, M-‐L. Iskra-‐Caruana, M. Chabannes, and R. Hanna. 2015. Biology, Etiology, and Control of Virus Diseases of Banana and Plantain. Virus Research 91: 229-‐269.
24. Sourassou F. M., R. Hanna, H. Breeuwer, K. Negloh, G. J. De Moraes, and M. W. Sabelis. 2014. The endosymbionts Wolbachia and Cardinium in three populations of the predatory mite Neoseiulus paspalivorus. Experimental and Applied Acarology 64(2): 207-‐221.
25. Abang, A. F., R. Srinivasan, R. Hanna, S. Kekeunou, T. Chagomoka, J. C. Chang, and C. F. Bilong Bilong. 2014. Identification of okra (Abelmoschus spp.) genotypes resistant to aphid (Aphis gossypii Glover) in Cameroon. African Entomologist 22(2): 273-‐284.
26. Njukwe, E., R. Hanna, P. S. Sarr, S. Araki, H. Kirscht, A. Mbairanodji, T. Ngue-‐Bissa and A. Tenkouano. 2014. Cassava value chain development through partnership and stakeholders¹ platform in Cameroon. International Journal of Agricultural Policy and Research 2(11): 383-‐392.
27. Njukwe, E., O. Noadipe, D. A. Thiermo, R. Hanna, H. Kirscht, B. Maziya-‐Dixon, S. Araki, A. Mbairanodji, and T. Ngue-‐Bissa. 2014. Cassava processing among small-‐holder farmers in Cameroon: Opportunities and challenges. International Journal of Agricultural Policy and Research 2(4): 113-‐124.
28. Onzo, A., M. W. Sabelis, and R. Hanna. 2014. Single versus multiple enemies and the impact on biological control of spider mites in cassava fields in West-‐Africa. Experimental and Applied Acarology 62: 293-‐311.
29. Abang, A.F., C. M. Kouame, M. Abang, R. Hanna and A. K. Fotso. 2014. Assessing farmer knowledge of diseases and insect pests of vegetable and management practices in Cameroon. International Journal of Vegetable Science 20: 240-‐253.
30. Onzo, A., R. Hanna, and M. Toko. 2014. Impact of cassava cultivar combinations on population densities of the cassava green mite and its phytoseiid predator Typhlodromalus aripo in West Africa. Journal of Applied Entomology 138: 297–306.
31. Njukwe, E., R. Hanna, H. Kirscht, and S. Araki. 2013. Farmers Perception and Criteria for Cassava Variety Preference in Cameroon. African Studies Monograph 34(4): 221–234.
32. Oleke, J. M., A. Isinika, V. Manyong, R. Hanna, M. W. Sabelis, and K. Mutabazi. 2013. Ex-‐ante Economic Analysis of Biological Control of Coconut Mite in Benin. AgBioForum 16(2): 161-‐169.
33. Bothon, F. T. D., D. Gnanvossou, J. P. Noudogbessi, R. Hanna, and D. Sohounhloue. 2013. Bactrocera Cucurbitae response to four Cymbopogon species essential oils. Journal of Natural Products 6: 147-‐155.
34. Famah Sourassou, N., R. Hanna, K. Negloh, J. A. J. Breeuwer, and M. W. Sabelis. 2013. Females as intraguild predators of males in cross-‐pairing experiments with phytoseiid mites. Experimental and Applied Acarology 61: 173-‐182.
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35. Abang, A.F., C. M. Kouame, M. Abang, R. Hanna and A. K. Fotso. 2013. Vegetable growers’ perception of pesticide use practices, cost, and health effects in the tropical region of Cameroon. International Journal of Agronomy and Plant Production 4: 873-‐883.
36. Onzo, A., I. A. Bello, and R. Hanna. 2013. Effects of the entomopathogenic fungus Neozygites tanajoae on the predatory mite Typhlodromalus aripo on cassava green mite: screenhouse experiments. BioControl 58: 397-‐405.
37. Agboton, B. V., R. Hanna, A. Onzo, S. Vidal, and A. von Tiedemann. 2013. Interactions between the predatory mite Typhlodromalus aripo and the entomopathogenic fungus Neozygites tanajoae and consequences for the suppression of their shared prey/host Mononychellus tanajoa. Experimental and Applied Acarology 60: 205-‐217.
38. Onzo, A., I. D. Zannou, O. Adjibade, S. Broutani and R. Hanna. 2012. Potentialités de l’acarien prédateur Amblyseius swirskii (Athias-‐Henriot) (Acari: Phytoséiidae) dans la lutte biologique contre la mouche blanche Bemisia tabaci (Genn.), vecteur de la mosaïque du manioc en Afrique. International Journal of Biological and Chemical Sciences 6(6): 5085-‐5102
39. Hoeschle-‐Zeledon, I., M. Halewood, M., F. Beed, D. Coyne, M. Tamo, P. Neuenschwander, and R. Hanna. 2012. The importance of non-‐plant biodiversity for crop pest management: Enabling conservation and access. SP-‐IPM Secretariat, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria. 11 pp.
40. Negloh, K., R. Hanna, and P. Schausberger. 2012. Intraguild predation and cannibalism between the predatory mites Neoseiulus neobaraki and N. paspalivorus, natural enemies of the coconut mite Aceria guerreronis. Experimental and Applied Acarology 58: 235-‐246.
41. Oleke, J., V. Manyong, R. Hanna, A. Isinika, and M. W. Sabelis. 2012. Farmers’ perception on coconut mite-‐damage and crops diversification alternatives in the coastal belt of Tanzania. International Journal of Acarology 38: 471-‐479.
42. Onzo, A., R. Hanna, and M. W. Sabelis. 2012. Olfactory response of Typhlodromalus aripo to cassava green mite pubescent and glabrous cassava genotypes. Experimental and Applied Acarology 58: 359-‐370.
43. Sourassou, N. F., R. Hanna, I. D. Zannou, H. Breeuwer, G. J. de Moraes, and M. W. Sabelis. 2012. Morphological, cross-‐breeding and molecular analysis of the coconut mite associated predatory mites identified as Neoseiulus baraki: evidence for cryptic species. Experimental and Applied Acarology 57: 15-‐36.
44. Lokossou, B., D. Gnanvossou, O. Ayodeji, F. Akplogan, A. Safior, D. Z. Migan, M. A. Pefoura, R. Hanna, and P. L. Kumar. 2012. Occurrence of Banana bunchy top virus in banana and plantain in (Musa sp.) in Benin. New Disease Reports 25: 13.
45. Onzo, A., A. F. Hoedokoho, and R. Hanna. 2012. Potential of the predatory mite, Amblyseius swirskii to suppress the broad mite, Polyphagotarsonemus latus on the gboma eggplant, Solanum macrocarpon. Journal of Insect Science 12:7. Available online: insectscience.org/12.7
46. Negloh, K., R. Hanna, and P. Schausberger. 2011. The coconut mite, Aceria guerreronis, in Benin and Tanzania: occurrence, damage and associated acarine fauna. Experimental and Applied Acarology 55: 361-‐374.
47. Kumar, L., R. Hanna, O. J. Alabi, M. M. Soko, T. T. Oben, G. H. P. Vangu, R. A. Naidu. 2011. Banana bunchy top virus in sub-‐Saharan Africa: Investigations on virus distribution and diversity. Virus Research 159: 171-‐182.
48. Sourassou, N. F., R. Hanna, I. Zannou, G. J. de Moraes, K. Negloh, and M. W. Sabelis. 2011. Morphological variation and reproductive incompatibility of three coconut-‐mite-‐associated populations of predatory mites identified as Neoseiulus paspalivorus (Acari: Phytoseiidae). Experimental and Applied Acarology 53: 323-‐338.
49. Zannou, I. D. and R. Hanna. 2011. Clarifying the identity of Amblyseius swirskii and Amblyseius rykei (Acari: Phytoseiidae): Are they two distinct species or two populations of one species? Experimental and Applied Acarology 53: 339-‐347.
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50. Agboton, B. V., R. Hanna, and A. von Tiedemann. 2011. Molecular detection of establishment and dispersal of Brazilian isolates of Neozygites tanajoae in Benin (West Africa) a fungus pathogenic to cassava green mite. Experimental and Applied Acarology 53: 235-‐244.
51. Ngeve, J.M., S. N. Tenku, A. G. O. Dixon, J. B. A. White, R. Okechukwu, R. Hanna, and M. O. Akoroda. 2010. Boilable cassava varieties: What is their role within the context of the global agricultural economy? African Journal of Tropical Root Crops 8(2): 18-‐22.
52. Zundel, C., R. Chibikom, U. Scheideger, P. Nagel, and R. Hanna. 2010. Developing cassava cultivars based on farmers’ needs and on the agro-‐ecological conditions of north-‐western Cameroon. African Journal of Tropical Root Crops 82 (2): 23-‐33.
53. Akinbade, S. A., R. Hanna, A. Nguenkam, E. Njukwe, A. Fotso, A. Doumtsop, J. Ngeve, S. T. N. Tenku, and P. Lava Kumar. 2010. First report of the East African cassava mosaic virus-‐Uganda (EACMV-‐UG) infecting cassava (Manihot esculenta) in Cameroon. New Disease Reports 21: 22.
54. Onzo, A., M. W. Sabelis, and R. Hanna. 2010. Effects of UV radiation on predatory mites and the role of refuges in plant structures. Environmental Entomology 39: 695-‐701.
55. Negloh, K., R. Hanna, and P. Schausberger. 2010. Season-‐ and fruit age-‐dependent population dynamics of Aceria guerreronis and its associated predatory mite Neoseiulus paspalivorus on coconut in Benin. Biological Control 54: 349-‐358.
56. Domingos, C., J. W. Da S. Melo, M. G. C. Gondim Jr., G. J. de Moraes, R. Hanna, L. M. Lawson-‐Balagbo, and P. Schausberger. 2010. Diet-‐dependent life history, feeding preference and thermal requirements of the predatory mite Neoseiulus baraki (Acari: Phytoseiidae). Experimental and Applied Acarology 50: 201-‐215.
57. Mohamed, S. A., S. Ekesi, and R. Hanna. 2010. Old and new associations of the introduced opiine parasitoid Fopius arisanus (Sonan) (Hymenoptera: Braconidae) with six dacine fruit flies. Biocontrol Science and Technology 20: 183-‐196.
58. Kumar, P.L., O. J. Alabi, R. Hanna, and R. A. Naidu. 2009. Coat protein-‐based genealogy of Banana bunchy top virus in the sub-‐Saharan Africa. Phytopathology 99(6): S68.
59. Agboton, B. V., I. Delalibera Jr., R. Hanna, and A. von Tiedemann. 2009. Molecular detection and differentiation of Brazilian and African isolates of the entomopathogen Neozygites tanajoae (Entomophthorales: Neozygitaceae) with PCR using specific primers. Biocontrol Science and Technology 19(1): 67-‐79.
60. Kumar, L. and Hanna, R. 2009. Tackling the banana menace. R4D Review, International Institute of Tropical Agriculture, Ibadan, Nigeria 2: 11-‐13.
61. Agboton, B. V., R. Hanna, F. C. C. Hountondji, and A. von Tiedemann. 2009. Pathogenicity and host specificity of Brazilian and African isolates of the acaropathogenic fungus Neozygites tanajoae to mite species associated with cassava. Journal of Applied Entomology 133: 651-‐658.
62. Oben, T.T., R. Hanna, O. J. Alabi, R. A. Naidu, and P. L. Kumar. 2009. Occurrence of Banana bunchy top virus (BBTV) on banana and plantain (Musa sp.) in Cameroon. Plant Disease 93: 1076.
63. Onzo, A., R. Hanna, and M. W. Sabelis. 2009. Within-‐plant migration of the predatory mite Typhlodromalus aripo from the apex to the leaves of cassava: response to day-‐night cycle, prey location and prey density. Journal of Insect Behavior 22: 186-‐195.
64. Sabelis, M. W., R. Hanna, A. Onzo, A. Pallini, I. Cakmak, and A. Janssen. 2009. Multiple predators, intraguild competition and biological control of a single spider mite species. IOBC/wprs Bulletin 50: 83-‐94.
65. Tindo, M., R. Hanna, G. Goergen, L. Zapfack, K. Tatahangy, and A. Attey. 2009. Non-‐food crop hosts of Stictococcus vayssierei Richard (Stictococcidae) in the Congo Basin. International Journal of Pest Management 55: 339-‐345.
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66. Zundel, C., P. Nagel, R. Hanna, F. Kroner, and U. Scheideger. 2009. Environment and host-‐plant genotype effects on the seasonal dynamics of a predatory mite on cassava in sub-‐humid tropical Africa. Agricultural and Forest Entomology 11: 321-‐333.
67. Hanna, R. 2009. Biological control at IITA – past, present and future. International Institute of Tropical Agriculture R4D Review 3: 12-‐16.
68. Fotso Kuate, A., M. Tindo, R. Hanna, M. Kenne, and G. Goergen. 2008. Foraging activity and diet of the ant Anoplolepis tenella Santschi in southern Cameroon. African Entomologist 16: 107-‐114.
69. Lawson-‐Balagbo, L. M., M. G. C. Gondim, G. J. de Moraes, R. Hanna, and P. Schausberger. 2008. Compatibility of Neoseiulus paspalivorus and Proctolaelaps bickleyi, candidate biological control agents of the coconut mite Aceria guerreronis: spatial niche use and intraguild interactions. Experimental and Applied Acarology 45: 1-‐13.
70. Lawson-‐Balagbo, L.M., M. G. C. Gondim Jr., G. J. de Moraes, R. Hanna, and P. Schausberger. 2008. Exploration of the acarine fauna on coconut palm in Brazil with emphasis on Aceria guerreronis (Acari: Eriophyidae) and its natural enemies. Bulletin of Entomology Research 98: 83-‐96.
71. Mohamed, S. A., S. Ekesi, and R. Hanna. 2008. Laboratory evaluation of the impact of Diachasmimorpha longicaudata (Ashmead) (Hymenoptera: Braconidae) on the invasive fruit fly Bactrocera invadens (Diptera: Tephritidae) and five African fruit fly species. Journal of Applied Entomology 132: 789-‐797.
72. Moraes, G. J. de, I. D. Zannou, E. A. Ueckermann, A. R. Oliveira, R. Hanna, and J. S. Janinek. 2008. Phytoseiid mites of the tribe Paraseiulini Wainstein (Acari: Phytoseiidae) from sub-‐Saharan Africa. Zootaxa 1687: 1-‐34.
73. Negloh, K., R. Hanna, and P. Schausberger. 2008. Comparative demography and diet breadth of Brazilian and African populations of the predatory mite Neoseiulus baraki, a candidate for biological control of coconut mite. Biological Control 46: 523-‐531.
74. Reis, A. C., M. G. C. Gondim Jr, G. J. De Moraes, R. Hanna, P. Schausberger, and R. Barros. 2008. Population dynamics of Aceria guerreronis Keifer (Acrai: Eriophidae) and associated predators on coconut fruits in northeastern Brazil. Neotropical Entomology 37: 457-‐462.
75. Ueckermann, E. A., I. D. Zannou, G. J. de Moraes, A. R. Olivera, R. Hanna, and J. S. Yaninek. 2008. Phytoseiid mites of the subfamily Typhlodromini (Acari: Phytoseiidae) from sub-‐Saharan Africa. Zootaxa 1901: 1-‐122.
76. Ueckermann, E. A., I. D. Zannou, G. J. de Moraes, A. R. Olivera, R. Hanna, and J. S. Yaninek. 2007. Phytoseiid mites of the subfamily Phytoseiinae (Acari: Phytoseiidae) from sub-‐Saharan Africa. Zootaxa 1658: 1-‐20.
77. Lawson-‐Balagbo, L.M., M. G. C. Gondim Jr., G. J. de Moraes, R. Hanna, and P. Schausberger. 2007. Predatory mites associated with the coconut mite Aceria guerreronis in Brazil. IOBC-‐WPRS Bulletin 30(5): 59-‐64.
78. Lawson-‐Balagbo, L.M., M. G. C. Gondim Jr., G. J. de Moraes, R. Hanna, and P. Schausberger. 2007. Refuge use by the coconut mite Aceria guerreronis: fine scale distribution and association with other mites under the coconut perianth. Biological Control 43: 102-‐110.
79. Lawson-‐Balagbo, L. M., M. G. C. Gondim Jr., G. J. de Moraes, R. Hanna, and P. Schausberger. 2007. Food-‐type effects on life history of the predatory mites Neoseiulus paspalivorus and Proctolaelaps bickleyi, candidates for biological control of the coconut mite. Experimental and Applied Acarology 43: 49-‐61.
80. Moraes, G. J. De, I. D. Zannou, E. A. Ueckermann, A. R. Oliveira, J. S. Yaninek, and R. Hanna. 2007. Phytoseiid mites of the tribes Afroseiulini, Kampimodromini and Phytoseiulini, and complementary notes on mites of the tribes Euseiini and Neoseiulini (Acari: Phytoseiidae) from sub-‐Saharan Africa. Zootaxa 1628: 1-‐22.
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81. Adango, E., A. Onzo, R. Hanna, P. Atachi, and B. James. 2007. Mite Pests of Major Importance on Indigenous Leafy Vegetables in Benin: The Search for Appropriate Control Strategies. Acta Horticulturae 752: 311-‐317.
82. Hountondji, F. C. C., R. Hanna, M. W. Sabelis, and B. Agboton, S. Korie. 2007. Scaling up tests on virulence of the cassava green mite fungal pathogen Neozygites tanajoae (Entomophthorales: Neozygitaceae) under controlled conditions: First observations at the population-‐level. Experimental and Applied Acarology 41: 153-‐168.
83. Zannou, I., G. J. de Moraes, E. A. Ueckermanna, A . R. Oliveira, J. S. Yaninek, and R. Hanna. 2007. Phytoseiid mites of the subtribe Amblyseiina (Acari: Phytoseiidae: Amblyseiini) from sub-‐Saharan Africa. Zootaxa 1550: 1-‐47.
84. Zundel, C., R. Hanna, U. Scheidegger, and P. Nagel. 2007. Living at the threshold: Where does the neotropical phytoseiid mite Typhlodromalus aripo survive the dry season? Experimental and Applied Acarology 41: 11-‐26.
85. Zannou, I., R. Hanna, B. Agboton, G. J. de Moraes, S. Kreiter, G. Phiri, and A. Jone. 2007. Native phytoseiid mites as indicators of non-‐target effects of the introduction of Typhlodromalus aripo for the biological control of cassava green mite in Africa. Biological Control 41: 190-‐198.
86. Moraes, G. J. de, I. D. Zannou, E. A Ueckermann, A. R. Oliveira, R. Hanna, and J. S. Yaninek. 2007. Species of the subtribes Arrenoseiina and Proprioseiopsina (Tribe Amblyseiini) and the tribe Typhloromipsini (Acari: Phytoseiidae) from sub-‐Saharan Africa. Zootaxa 1448: 1-‐39.
87. Tata-‐Hangy, K., K. M. Lema, N. Ndambi, D. Lutete, R. Hanna, M. Toko, and A. Nkakwa. 2006. Notes on the African root and tuber scale, Stictococcus vayssierei Richard, a recent reported cassava pest in the Bas-‐Congo province of the Democratic Republic of Congo. Roots 1(10): 1-‐7.
88. Adango, E., A. Onzo, R. Hanna, P. Atachi, and B. James. 2006. Inventaire de la faune des acariens sur Amaranthus cruentus L. (Amaranthaceae); Solanum macrocarpon L. et Solanum aethiopicum L. (Solanaceae) dans le Sud-‐Bénin. 2006. International Journal of Tropical Insect Science 26(3): 155-‐165.
89. Adango, E., A. Onzo, R. Hanna, P. Atachi, and B. James. 2006. Comparative demography of the spider mite Tetranychus ludeni on two host plants in West Africa. Journal of Insect Science; available online: insectscience.org/6.49
90. Tindo, M. A. Doumtsop, G. Goergen, and R. Hanna. 2006. Morphological description and illustration of the developmental stages of female individuals in Stictococcus vayssierei (Homoptera: Stictoccocidae). International Journal of Tropical Insect Science 26: 126-‐133.
91. Zannou, I., G. J. de Moraes, E. Ueckermann, A. R. Oliveira, J. S. Yaninek, and R. Hanna. 2006. Phytoseiid mites of the genus Neoseiulus (Acari: Phytoseiidae) from sub-‐Saharan Africa. International Journal of Acarology 32(3): 241-‐276.
92. Hountondji, F., R. Hanna, and M. W. Sabelis. 2006. Does methyl salisylate, a component of herbivore-‐induced plant volatiles, promote sporulation of the mite-‐pathogenic fungus Neozygites tanajoae? Experimental and Applied Acarology 29: 63-‐74.
93. de Moraes, G. J., I. Zannou, A. R. Oliveira, J. S. Yaninek, and R. Hanna. 2006. Phytoseiid mites of the subtribes Typhlodromalina and Euseiina (Acari: Phytoseiidae: Euseiini) from sub-‐Saharan Africa. Zootaxa 1114: 1-‐52.
94. Zannou, I., C. Zundel, R. Hanna, G. J. de Moraes. 2005. Two new species of phytoseiid mites from Cameroon. Zootaxa 1093: 55–59.
95. Zannou, I., R. Hanna, S. Kreiter, and G. J. De Moraes. 2005. Cannibalism and interspecific predation in a phytoseiid predator guild from cassava fields in Africa – evidence from the laboratory. Experimental and Applied Acarology 37: 22-‐42.
96. Gnanvossou, D., R. Hanna, J. S. Yaninek, and M. Toko. 2005. Comparative life history traits of three neotropical phytoseiid mites maintained on plant-‐derived diets. Biological Control 35: 32-‐39.
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97. Zannou, I., R. Hanna, G. M. De Moraes, S. Kreiter, G. Phiri, and A. Jone. 2005. Mites in cassava (Manihot esculenta Crantz) habitat in southern Africa. International Journal of Acarology 31: 1-‐16.
98. Hountondji, F. C. C., M. W. Sabelis, R. Hanna, and A. Janssen. 2005. Do herbivore-‐induced volatiles trigger sporulation in entomopathogenic fungi? The case of Neozygites tanajoae infecting cassava green mite. Journal of Chemical Ecology 31: 1003-‐1021.
99. Onzo, A., R. Hanna, K. Negloh, M. W. Sabelis, and M. Toko. 2005. Biological control of cassava green mite with exotic and indigenous phytoseiid predators -‐ effects of intraguild predation and supplementary food. Biological Control 33: 143-‐152.
100. Hanna, R., A. Onzo, R. Lingeman, J. S. Yaninek, and M. W. Sabelis. 2005. Seasonal cycles and persistence in a predator-‐prey system on cassava in Africa. Population Ecology 47: 107-‐117.
101. Onzo, A., R. Hanna, and M. W. Sabelis. 2005. Biological control of cassava green mites in Africa: impact of the predatory mites Typhlodromalus aripo. Entomologische Berichten (Amsterdam) 65(1): 2-‐7.
102. Onzo, A., R. Hanna, S. J. Yaninek, and M. Sabelis. 2005. Temporal and spatial dynamics of an exotic predatory mite and its herbivorous mite prey on cassava in Benin, West Africa. Environmental Entomology 34: 866-‐874.
103. Onzo, A., R. Hanna, A. Janssen, and M. W. Sabelis. 2004. Interactions between two neotropical phytoseiid predators and consequences for biological control of a shared prey. Biocontrol Science and Technology 14: 63-‐76
104. Tata-‐Hangy, K., R. Hanna, T. Muaka, and M. Solo. 2004. Effect of cassava leaf harvesting on a cassava green mite predator in the Democratic Republic of Congo. African Crop Science Journal 12: 289-‐293.
105. Dixon, A. G. O., R. Bandyopadhyay, D. Coyne, M. Ferguson, S. Ferris, R. Hanna, J. Hughes, I. Ingelbrecht, J. Legg, N. Mahungu, V. Manyong, D. Mowbray, P. Neuenschwander, J. Whyte, P. Hartmann, and R. Ortiz. 2003. Cassava: From Poor Farmers’ Crop to Pacesetter of African Rural Development. Chronica Horticulturae 43: 8-‐15.
106. Gnanvossou, D., R. Hanna, and M. Dicke. 2003. Infochemical-‐mediated niche use by Typhlodromalus manihoti and T. aripo (Acari: Phytoseiidae). Journal of Insect Behavior 16: 523-‐535.
107. Gnanvossou, D., J. S. Yaninek, R. Hanna, and M. Dicke. 2003. Effect of prey mite species on life history of the phytoseiid predators Typhlodromalus manihoti and Typhlodromalus aripo. Experimental and Applied Acarology 30: 265-‐278.
108. Gnanvossou, D., R. Hanna, and M. Dicke. 2003. Infochemically-‐mediated intraguild interactions among three predator mites on cassava. Oecologia 134: 84-‐90
109. Hanna, R., F. G. Zalom, and W. J. Roltsch. 2003. Effects of cover crop and spider predation on population dynamics of Erythroneura variabilis in a raisin vineyard. Entomologia Experimentalis et Applicata 107: 177-‐192.
110. Onzo, A., R. Hanna, and M. W. Sabelis. 2003. Interaction in an acarine predator guild: Impact on Typhlodromalus aripo abundance and biological control of cassava green mite in Africa. Experimental and Applied Acarology 31: 225-‐241.
111. Onzo, A., R. Hanna, M. W. Sabelis, and J. S. Yaninek. 2003. Dynamics of refuge use: diurnal vertical migration of predatory and herbivorous mites within cassava plants. Oikos 101: 59-‐69.
112. Gnanvossou, D., R. Hanna, and M. Dicke. 2002. Prey-‐related odor preference of the predatory mites Typhlodromalus manihoti and Typhlodromalus aripo (Acari: Phytoseiidae). Experimental and Applied Acarology 27: 39-‐56.
113. Fagbémissi, R., O. Coulibaly, O., R. Hanna, R., D. Endamana. 2002. Adoption of cassava varieties and sustainable biological control of cassava green mite in Benin. Bulletin de la Recherche Agronomique du Benin 38: 1-‐15.
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114. Hountondji, F., C. Lomer, R. Hanna, and A. Cherry. 2002. Release and establishment of Neozygites floridana (Entomophtherales: Neozygitacea) for the microbial control of cassava green mite in Benin. Biocontrol Science and Technology 12: 361-‐370.
115. Magalhaes, S., A. Janssen, R. Hanna, and M. W. Sabelis. 2002. Flexible antipredator behaviour in herbivorous mites through vertical migration in a plant. Oecologia 132: 143-‐149.
116. Zannou, I., G. J. De Moraes, and R. Hanna. 2002. Two new species of phytoseiid mites from southern Africa. Zootaxa 79: 1-‐6.
117. Gnanvossou, D., R. Hanna, M. Dicke, and J. S. Yaninek. 2001. Response of the predatory mites Typhlodromalus manihoti Moraes and Typhlodromalus aripo DeLeon (Acari: Phytoseiidae) to volatiles from cassava plants infested by cassava green mite. Entomologia Experimentalis et Applicata 101: 291-‐298.
118. Hanna, R., L. T. Wilson, F. G. Zalom, and D. L. Flaherty. 1997. Effects of predation and competition on population dynamics of Tetranychus pacificus on grapevines. Journal of Applied Ecology 34: 878-‐888.
119. Hanna, R., F. G. Zalom, and L. T. Wilson. 1997. 'Thompson Seedless' grapevine vigor and abundance of Pacific spider mite (Tetranychus pacificus McGregor) (Acari, Tetranychidae). Journal of Applied Entomology 121: 511-‐516.
120. Hanna, R., F. G. Zalom, L. T. Wilson, and G. M. Leavitt. 1997. Sulfur can suppress mite predators in vineyards. California Agriculture 51(1): 19-‐21.
121. Hanna, R., L. T. Wilson, F. G. Zalom, D. L. Flaherty, and G. M. Leavitt. 1996. Spatial dynamics of spider mites in vineyards. Environmental Entomology 25: 370-‐382.
122. Hanna, R. and L. T. Wilson. 1991. Prey preference by Metaseiulus occidentalis (Acari: Phytoseiidae) and the role of prey aggregation. Biological Control 1: 51-‐58.
b. Books and book chapters (13) 1. Nkengla, L., S. C. Banu, S. Apfelbacher, H. Kirscht, R. Hanna and A. Tegbaru. 2017. Gender,
climate change, and resilient food systems: lessons from strategic adaptations by small holder farmers in Cameroon. IFPRI discussion paper, June 2017.
2. Sonwa, D. and R. Hanna. 2017. Innovation in agriculture reduce pressure on forests. Pp 173-‐177, in Central African Forests Forever, Minderet Brouwer, ed. http://www.centralafricanforests.org/about-‐the-‐book/.
3. Gnanvossou, D., R. Hanna, A. H. Bokonon-‐Ganta, S. Ekesi, and S. Mohammad 2016. Release, establishment and spread of the natural enemy Fopius arisanus (Hymenoptera: Braconidae) for the control of the invasive fruit fly Bactrocera dorsalis (Diptera: Tephritidae) in Benin, West Africa. Pp 575-‐600, In S. Ekesi, S. Mohammad, and M. DeMeyer (eds): Fruit fly Research and Development in Africa -‐ Towards a Sustainable Management Strategy to Improve Horticulture. Springer International Publishing Switzerland 2016.
4. Hountondji, F. C. C., M. W. Sabelis, and R. Hanna. 2010. The role of infochemicals in the interaction between cassava green mite and its fungal pathogen Neozygites tanajoae, pp. 249-‐255. In: Trends in Acarology, Proceedings of the 12th International Congress of Acarology. Sabelis M W.; Bruin, J. (Eds.). Springer, 1st Edition, 2010, Hardcover. ISBN: 978-‐90-‐481-‐9836-‐8.
5. Dansi, A., R. Hanna, P. Vernier, R. Asiedu, H. Adoukonou-‐Sagbadja, and R. Dossou. 2011. Catalogue des ignames cultivées du complexe Dioscorea cayenensis – Dioscorea rotundata du Bénin. In press, pp. 345pp.
6. Mahungu, N., J. Rusike, S. Hauser, R. Hanna, A. Abass, M. Bokanga, J. Legg, and P. Kulakow (eds). 2010. Root and Tuber Crops and the Challenges of Globalization and Climate Change -‐ Book of Abstracts. 11th Symposium of the ISTRC-‐AB, Kinshasa, DR Congo, 4-‐8 October, 2010. 176pp.
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7. Ekesi, S., Mohammed, S. F., Hanna, R., Gnanvossou, D, Bokonon-‐Ganta, A. 2009. Fruit fly suppression. In Ekesi, S. and Billah, M. (eds). Practical guide to the management of economically important fruit flies. International Center for Insect Physiology and Ecology, Nairobi, Kenya.
8. Zannou, I. D., G. J. de Moraes, and R. Hanna. 2006. Controle biologico do acaro verde da mandioca, Mononychellus tanajoa, pp. 97-‐103. In A. de. S. Pinto, D. E. Nava, M. M. Rossi, and D. T. Malerbo-‐Souza [eds.]. Controle biologico de pragas na pratica. CP 2, Piracicaba, pp. 287.
9. Alene, A. D., P. Neuenschwander, V. M. Manyong, O. Coulibaly, and R. Hanna. 2005. The impact of IITA-‐led biological control of major pests in sub-‐Saharan African agriculture -‐ a synthesis of milestones and empirical results. Impact Series, International Institute of Tropical Agriculture, 31 pp. http://www.iita.org.
10. Yaninek, S.J and R. Hanna. 2003. Cassava green mite in Africa: a unique example of successful classical biological control of a mite pest on a continental scale, pp. 61-‐75. In P. Neuenschwander, C. Borgemeister and J. Langewald [eds.], Biological control in IPM systems in Africa, CABI, pp. 414.
11. Roltsch, W. J., R. Hanna, F. G. Zalom, M. Mayse, and H. Shorey. 1998. Spiders and vineyard habitat relationships in Central California, pp. 311-‐338. In C.H. Pickett and R. L. Bugg [eds.], Enhancing natural control of arthropod pests through habitat management. University of California Press, pp. 422.
12. Flaherty, D. L., L. T. Wilson, S. Welter, C. D. Lynn, and R. Hanna. 1992. Spider mites. In D. L. Flaherty, P.L. Christensen, T. Lannini, J. Marois, and L.T. Wilson [eds.], Grape Pest Management. Div. Agric. Sci., Univ. Calif., pp. 400.
13. Wilson, L. T., P. J. Trichilo, D. L. Flaherty, R. Hanna, and A. Corbett. 1991. Natural enemy-‐spider mite interactions: comments on implications for population assessment, pp. 167-‐173. In F. Dusbabek and V. Bukva [eds.], Modern Acarology (volume 1). Academia, Prague and SPB Academic Publishing, The Hague, pp. 651.
c. Proceedings articles (54) 1. Njukwe, E., R. Hanna, H. Kirscht, S. Araki, and S. Papa. Farmer participatory cassava germplasm
evaluation and criteria for preference in Cameroon. Pp 9-‐13, in R. Hanna and S. Araki, eds, A report on cassava science day: cassava performance udner different soil management. IITA-‐Cameroon, 18 February 2013. 74pp.
2. Hanna, R. Integrated management of cassava pests and diseases in Cameroon. Pp 19-‐31, in R. Hanna and S. Araki, eds, A report on cassava science day: cassava performance udner different soil management. IITA-‐Cameroon, 18 February 2013. 74pp.
3. Njukwe E., O. Onadipe, D. Amadou Thierno, R. Hanna, H. Kirscht, B. Maziya-‐Dixon, A. Shigeru, A. Mbairanodji, and T. Ngue-‐Bissa. 2012. Cassava processing among small-‐holder farmers in Cameroon: Opportunities and Challenges. Paper presented at the Global Cassava Partnership (GCP21-‐II), 18-‐24 June 2012, Kampala, Uganda.
4. Njukwe E., R. Hanna, H. Kirscht, A. Shigeru, A. Mbairanodji, and T. Ngue-‐Bissa. 2012. Cassava value chain development through partnership and stakeholders’ platform in Cameroon. Paper presented at the ISTRC, 23-‐28 September 2012, Abeokuta, Nigeria.
5. Njukwe E., A. Nguenkam, A. Mbairanodji, T. Ngue-‐Bissa and R. Hanna. 2012. Improving food security and income and enhancing farmers’ livelihoods in Cameroon through the introduction and promotion of improved cassava germplasm. Proceedings of ISTRC-‐AB, 04-‐08 October 2010, Kinshasa, Democratic Republic of Congo, pp. 289-‐293.
6. Njukwe, E., J. Duindam, S. Hauser, B. Maziya-‐Dixon, D. Amadou Theirno, O. Onadipe, A. Mbairanodji, T. Ngue-‐Bissa, H. Kirscht, and R. Hanna. 2012. Development and dissemination of a manual cassava chipper in Cameroon. Proceedings of the 11th Symposium of ISTRC-‐AB, pp. 449-‐452.
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7. Pallangyo, B., R. Hanna, E. Nsami, V. Mgoo, O. Mfugale, A. H. Bokonon-‐Ganta, and O. Ajuonu. 2012. Management strategy for spiraling whitefly, Aleurodicus dispersus Russell (Hemiptera: Aleyrodidae) in Tanzania. Proceedings of the 11th Symposium of ISTRC-‐AB, pp. 413-‐418.
8. Goergen, G., R. Dossou, R. Asiedu, and R. Hanna. 2012. Scale insects on yams in Benin: diversity, incidence, and farmers’ knowledge and perceptions. Proceedings of the 11th Symposium of ISTRC-‐AB, pp. 411–413.
9. Fotso Kuate, A., R. Hanna, M. Tindo, and P. Nagel. 2012. Towards the development of sustainable control options for the African root and tuber scale in Central Africa – understanding the ecology of the associated ant Anoplolepis tenella. Proceedings of the 11th Symposium of ISTRC-‐AB, pp. 418–422.
10. Ekesi, S., S. Mohamed, and R. Hanna. 2010. Rid fruits and vegetables in Africa of notorious fruit flies. Technical Innovation Brief No 4, June, 2010. System-‐wide Program on Integrated Pest Management; www.spipm.org, pp. 2.
11. Tata-‐Hangy, K., J.P. Legg, K.M. Lema, R. Hanna, and N. Luyindula. 2010. The incidence of the cassava mosaic disease in relation with the source of planting materials and its impact on cassava production, pp. 370-‐378, in Mahungu, N.M. (ed): Root and tuber crops for poverty alleviation through science and technology for sustainable development. Proceedings of the 10th ISTRC-‐AB symposium, Maputo, Mozambique, 8-‐12 October, 2007.
12. Hanna, R. and Gnanvossou, D. 2009. Citrus infestations by tephritid fruit flies in sub-‐Saharan Africa: first results from Benin show substantial infestations largely by the Sri Lanka fruit fly Bactrocera invadens. Fighting fruit flies regionally in sub-‐Saharan Africa. N°2, page 3, July 2009.
13. Hanna, R. and Gnavossou, D. 2009. Male annihilation for the control of Bactrocera invadens and Ceratitis cosyra in mango orchards. Fighting fruit flies regionally in sub-‐Saharan Africa. N°3, page 3, September 2009.
14. Hanna R., I, Agnontchémè, D. Gnanvossou, G. Goergen, and A. Agbaka. 2008. Inventaire et importance des dégâts des mouches des fruits sur quelques variétés d’agrumes au Bénin. 2008. In Actes de l’Atelier Scientifique National 6 : 19-‐22 Décembre 2006, Abomey-‐Calavi. Tome 1. ISBN 978-‐99919-‐6850-‐6 ; ISSN 1659-‐6161 ; Dépôt légal n° 3838 du 13/08/2008 3è trimestre. Bibliothèque Nationale du Bénin, pp. 128–139.
15. Hanna, R., Gnanvossou, D., and Bokonon-‐Ganta, A. 2008. Lâchers de Fopius arisanus pour un contrôle efficace et durable des mouches des fruits en Afrique. La lutte régionale contre les mouches des fruits et légumes en Afrique de l’ouest. N°6, page 3, Novembre 2008.
16. Gnanvossou D., R. Hanna, G. Azandémè G. Goergen, M. Tindo, and A. Agbaka. 2008. Inventaire et importance des dégâts des mouches des fruits sur quelques espèces de cucurbitacées au Bénin. 2008. In Actes de l’Atelier Scientifique National 6 : 19-‐22 Décembre 2006, Abomey-‐Calavi. Tome 1. ISBN 978-‐99919-‐6850-‐6 ; ISSN 1659-‐6161 ; Dépôt légal n° 3838 du 13/08/2008 3è trimestre. Bibliothèque Nationale du Bénin, pp. 140–145.
17. Gnanvossou, D., R. Hanna, B. Pallangyo, M. Toko, E. Nsami, and O. Mfugale. 2007. Distribution and abundance of cassava pests in Tanzania with a note on the spiralling whitefly, pp 644-‐647. In: N. M. Mahungu and V. Manyong, eds. Proceedings of the 9th Triennial Symposium of the International Society for Tropical Root Crops – Africa Branch, 31 October -‐ 5 November 2004, Mombasa, Kenya, pp. 863.
18. Kariuki, C. W., R. Hanna, and B. M. Ngari. 2007. The spread and persistence of exotic phytoseiid, Typhlodromalus aripo De Leon (Acari: Phytoseiidae) and its effect on cassava green mite in Kenya, pp 693-‐704. In: N. M. Mahungu and V. Manyong, eds. Proceedings of the 9th Triennial Symposium of the International Society for Tropical Root Crops – Africa Branch, 31 October -‐ 5 November 2004, Mombasa, Kenya, pp. 863.
19. Ngeve, J. M., R. Hanna, S. N. Tenku, M. Tindo, and A. Nguekam. 2007. Characteristics of cassava landraces and their reactions to diseases and pests in Cameroon, pp 737-‐738. In: N. M. Mahungu
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and V. Manyong, eds. Proceedings of the 9th Triennial Symposium of the International Society for Tropical Root Crops – Africa Branch, 31 October -‐ 5 November 2004, Mombasa, Kenya, pp. 863.
20. Pallangyo, B., R. Hanna, M. Toko, D. Gnanvossou, V. Mgoo, M. Otema, A. Onzo, F. Hountondji, E. Nsami, and O. Mfugale. 2007. Biological control of cassava green mite in Tanzania, pp 597-‐605. In: N. M. Mahungu and V. Manyong, eds. Proceedings of the 9th Triennial Symposium of the International Society for Tropical Root Crops – Africa Branch, 31 October -‐ 5 November 2004, Mombasa, Kenya, pp. 863.
21. Tata-‐Hangy, K., J. Legg, R. Hanna, M. Toko, K. M. Lema, A. Dixon, and N. M. Mahungu. 2007. Incidence and distribution of cassava diseases and pests in the Democratic Republic of Congo, pp 614-‐622. In: N. M. Mahungu and V. Manyong, eds. Proceedings of the 9th Triennial Symposium of the International Society for Tropical Root Crops – Africa Branch, 31 October -‐ 5 November 2004, Mombasa, Kenya, pp. 863.
22. Tata-‐Hangy, K., R. Hanna, M. Toko, K. M. Lema, and M. Solo. 2007. Changes in population abundance of the African root and tuber scale Stictococcus vayssierei Richard (Homoptera; Stictococcidae) on cassava in the Bas-‐Fleuve District in The Democratic Republic of Congo. , pp 574-‐582. In: N. M. Mahungu and V. Manyong, eds. Proceedings of the 9th Triennial Symposium of the International Society for Tropical Root Crops – Africa Branch, 31 October -‐ 5 November 2004, Mombasa, Kenya, pp. 863.
23. Tindo, M., R. Hanna, L. Wijnans, C. Nolte, G. Goergen, A. Nguekam, and J. M. Ngeve. 2007. Pre-‐planting removal of host-‐plant residues to reduce African root and tuber scale infestations in cassava fields in Cameroon, pp 633-‐639. In: N. M. Mahungu and V. Manyong, eds. Proceedings of the 9th Triennial Symposium of the International Society for Tropical Root Crops – Africa Branch, 31 October -‐ 5 November 2004, Mombasa, Kenya, pp. 863.
24. Toko, M., R. Hanna, J. Legg, M. Andrade, A. Jone, B. Agboton, M. Otema, G. Okao-‐Okuja, R. Obonyo, and E. Mambo. 2007. Distribution, Incidence and Severity of Cassava Diseases and Pests in Mozambique, pp 623-‐633. In: N. M. Mahungu and V. Manyong, eds. Proceedings of the 9th Triennial Symposium of the International Society for Tropical Root Crops – Africa Branch, 31 October -‐ 5 November 2004, Mombasa, Kenya, pp. 863.
25. Neuenschwander, P. and R. Hanna. 2007. Biological control and functional biodiversity in agricultural production – successful cases to improve food security in Africa. Pp 19-‐24, in Proceeding of the Symposium on Organic Agriculture in Development – the Need for Integrated Production for Food Security (L. Sigsgaard and H. Hogh Jensen, Eds). Royal Veterinary and Agricultural University, Copenhagen, Denmark, pp. 37.
26. Agboton, B.V., R. Hanna, A.T. Odjo and G. Goergen. 2006. Effect of ants on biological control of a neotropical herbivorous mite pest Mononychellus tanajoa (Acari: Tetranychidae) a mite pest of cassava in Africa. In: Prosperity and poverty in a globalised world – challenges for agricultural research. Tropentag 2006, Bonn, October 11-‐13, 2006. http://www.tropentag.de/2006/proceedings/node3.html.
27. Tindo M., R. Hanna and G. Goergen. 2006. Tephritid fruit flies of economic importance in Southern Cameroon: Species diversity and potential for integrated management. Proceedings of the First International Symposium on Crops Integrated Pest Management in the CEMAC Zone (SPICEMAC), Dschang, Cameroon, 6-‐9 December 2005, pp. 39-‐48.
28. Fotso Kuate, A., M. Tindo, R. Hanna, M. Kenne and G. Goergen. 2006. Field abundance, nest architecture and composition in the ant Anoplolepis tenella associated with the African root and tuber scale in the Congo Basin. Proceedings of the First International Symposium on Crops Integrated Pest Management in the CEMAC Zone (SPICEMAC), Dschang, Cameroon, 6-‐9 December 2005, pp. 202-‐208.
29. Doumtsop, F.A.R.P., M. Tindo, G. Goergen and R. Hanna. 2006. Morphological basis of a taxonomic study of the subterranean scale insect Stictococcus vayssierei, an emerging pest of the root and tuber crops. Proceedings of the First International Symposium on Crops Integrated
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Pest Management in the CEMAC Zone (SPICEMAC), Dschang, Cameroon, 6-‐9 December 2005, pp. 195-‐201.
30. Coulibaly, O., R. Hanna and M. Toko. 2003. Socioeconomic impact of cassava green mite biocontrol in Africa. In R. Hanna and M. Toko [eds.], Proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 85-‐101.
31. Fagbamessi, R., O. Coulibaly, R. Hanna, and M. Toko. 2003. Factors affecting cassava variety choice by small farmers and sustainable biological control of cassava green mite in Benin. In R. Hanna and M. Toko [eds.], Proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 102-‐108.
32. Hanna, R. and M. Toko, Editors. 2003. Development and applications of a biological control program for cassava green mite in Africa. Proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 160.
33. Hanna, R. and M. Toko. 2002. Africa-‐wide classical biological control of cassava green mite – overview, accomplishments, and future actions and priorities. In R. Hanna and M. Toko [eds.], Proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 4-‐12.
34. Hountondji, R., R. Hanna, and A. Cherry. 2003. Microbial control of cassava green mite by the fungus Neozygites tanajoae in Benin. In R. Hanna and M. Toko [eds.], Proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 122-‐125.
35. Kariuki, C., M. Toko, R. Hanna, and B. M. Ngari. 2003. Progress in the biological control of cassava green mite in Kenya. In proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 13-‐36.
36. Lema, K. M., K. Tata-‐Hangy, M. Toko, and R. Hanna. 2003. Perspectives on cassava IPM in the Democratic Republic of Congo. In R. Hanna and M. Toko [eds.], Proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 79-‐84.
37. Mebelo, M., R. Hanna, and M. Toko. 2003. Cassava green mite biological control in Zambia – progress through 2001. In R. Hanna and M. Toko [eds.], Proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 67-‐72.
38. Ntonifor, N. N., R. Hanna, E. T. Awah, B. James, and J. T. Ambe. 2003. Status and perspectives on cassava IPM in Cameroon. In R. Hanna and M. Toko [eds.], Proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 72-‐78.
39. Ogwang, J. A., M. Toko, R. Hanna, and M. Otema. 2003. Classical biological control of cassava green mite in Uganda – Biotic and agronomic impact. In R. Hanna and M. Toko [eds.], Proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 51-‐66.
40. Pallangyo, B., R. Hanna, M. Toko, A. Kalyebi, and V. Mgoo. 2003. Cassava green mite biocontrol with Typhlodromalus aripo in Tanzania: predator spread, persistence and impact. In R. Hanna and M. Toko [eds.], Proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava
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Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 37-‐50.
41. Zannou, I., R. Hanna, M. Toko, G. Phiri, and A. Jone. 2003. Non-‐target effects of the introduction of the neotropical predatory mite Typhlodromalus aripo for the control of cassava green mite in Malawi and Mozambique. In R. Hanna and M. Toko [eds.], Proceedings of the 3rd Inter-‐regional Meeting of the Africa-‐wide Cassava Green Mite Biocontrol Project. International Institute of Tropical Agriculture, Biological Control Centre for Africa, Cotonou, Republic of Benin, pp. 109-‐121.
42. Bentley, W., L. Martin, R. Hanna. 2001. Impact of gray field ant exclusion from vines on grape mealybug abundance, parasitism, and infestation. UC Plant Protection Quarterly 11(3): 3-‐6.
43. Hanna, R. and M. Toko (eds). 2001. Classical biological control of cassava green mite in East and Southern Africa. Proceedings of the Africa-‐wide cassava green mite classical biological control project, Dar es Salaam, Tanzania, November 2000, pp. 129.
44. Hanna, R. 2001. Status of the cassava green mite biocontrol project in East and Southern Africa. In R. Hanna and M. Toko [eds.], Proceedings of the Steering Committee meeting of the Africa-‐wide cassava green mite classical biological control project, Dar es Salaam, Tanzania, November 2000, pp. 4-‐23.
45. Pallangyo, B., R. Hanna, and M. Toko. 2001. Biological control of cassava green mite in Tanzania. In R. Hanna and M. Toko [eds.], Proceedings of the Steering Committee meeting of the Africa-‐wide cassava green mite classical biological control project, Dar es Salaam, Tanzania, November 2000, pp. 88-‐90.
46. Phiri, G., R. Hanna, and I. Hoeschle-‐Zeledon. 2001. Biological control of cassava green mite in Malawi. In R. Hanna and M. Toko [eds.], Proceedings of Steering Committee meeting of the Africa-‐wide cassava green mite classical biological control project, Dar es Salaam, Tanzania, November 2000, pp. 41-‐63.
47. Mebelo, M. and R. Hanna. 2001. Biological control of cassava green mite in Zambia. In R. Hanna and M. Toko [eds.], Proceedings of Steering Committee meeting of the Africa-‐wide cassava green mite classical biological control project, Dar es Salaam, Tanzania, November 2000, pp. 75-‐87.
48. Ogwang, J., M. Toko, R. Hanna, A. Kalyebi, and M. Otema. 2001. Biological control of cassava green mite in Uganda. In R. Hanna and M. Toko [eds.], Proceedings of Steering Committee Meeting of the Africa-‐wide cassava green mite classical biological control project, Dar es Salaam, Tanzania, November 2000, pp. 64-‐74.
49. Kariuki, C., R. Hanna, and M. Toko. 2001. Biological control of cassava green mite in Kenya. In R. Hanna and M. Toko [eds.], Proceedings of Steering Committee meeting of the Africa-‐wide cassava green mite classical biological control project, Dar es Salaam, Tanzania, November 2000, pp. 28-‐40.
50. Bentley, W., L. Martin, and R. Hanna. 1999. Influence of grape cultural practices on grape mealybug, associated parasitoids and native grey ant abundance. In P. L. Christensen and N. Dokoozlian [eds.], Proceedings of the University of California Kearney Agricultural Center Grape Day, August 1999.
51. Hanna, R., F. G. Zalom, and C. L. Elmore. 1995. Integration of cover crops in grapevine pest and nutrition management: the transition phase. University of California Sustainable Agriculture Research and Education Program Technical Reviews 7(3): 10-‐15.
52. Hanna, R. and F. G. Zalom. 1993. A cover crop system aids in leafhopper and mite management in vineyards. In P.L. Christensen and N. Dokoozlian [eds.], Proceedings of the San Joaquin Valley Grape Day, August 1993.
53. Wilson, L. T., D. L. Flaherty, R. Hanna, G. Leavitt, and W. Peacock. 1987. Presence-‐absence sampling in grape systems. In Proceedings of the Table Grape Seminar. University of California Cooperative Extension, Tulare County, February 1987.
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54. Wilson, L. T., D. L. Flaherty, G. Leavitt, and R. Hanna. 1987. Sampling in grapes. In Proceedings of the San Joaquin Valley Grape Symposium. University of California Cooperative Extension, Tulare County, December 1987.
Presentations/Abstracts (NEEDS UPDATING). a. Invited (selected from a total of 77) (NEEDS UPDATING BY ADDING NEW ONES FROM 2014-‐2016
PARS) 1. Hanna, R., L. Kumar, and S. Ngatat. Biology and management of banana aphid, vector of banana
bunchy top virus. BBTD Rehabilitation workshop, Bujumbura, 20-‐25 January 2014. 2. Hanna, R. Advance in Cassava IPM. JICA/JSP Cassava Science Day, Yaounde, Cameroon, 18
February 2014. 3. Hanna, R., D. Gnanvossou, J. Kroschel, H. Tonnang. Phenology models and predicting climate
change impact on the cassava green mite. BMZ/CIP project workshop, Kampala, Uganda, 27-‐30 May 2014.
4. Hanna, R., D. Gnanvossou, J. Kroschel, H. Tonnang. Phenology models and predicting climate change impact on the cassava mealybug. BMZ/CIP project workshop, Kampala, Uganda, 27-‐30 May 2014.
5. Dongmo, M., R. Hanna, S. Kekeunou, S. Nanga, J. Kroschel, and H. Tonnang. Phenology and mapping of distribution and abundance of the Asian fruit fly Bactrocera invadens (Diptera: Tephritidae) under current and future climate change scenarios. BMZ/CIP project workshop, Kampala, Uganda, 27-‐30 May 2014.
6. Nanga, S., R. Hanna, S. Kekeunou, S. Nanga, J. Kroschel, and H. Tonnang. Phenology and mapping of distribution and abundance of the parasitoid Fopius arisanus under current and future climate change scenarios. BMZ/CIP project workshop, Kampala, Uganda, 27-‐30 May 2014.
7. Hanna, R. Banana Bunchy Top Disease in Cameroon. BBTD Sensibilization Workshop, Ambam, Cameroon, 10 June 2014.
8. Hanna, R. The cocoa-‐eco Cameroon project. CIFOR workshop on Forest, Agriculture and Biodiversity, 8 July 2014.
9. Hanna, R. Climate and Agriculture in sub-‐Saharan Africa. Congo Basin Forest Partnership meeting, Brazzaville, 8-‐10 October 2014.
10. Hanna, R. Baseline analysis of cocoa production in the Center and Southwest regions of Cameroon. Consultative Workshop of the Cameroon Cocoa Eco Project, Yaounde, 19 November, 2014.
11. Hanna, R. Climate change risks and adaptations. Consultative Workshop of the Cameroon Cocoa Eco Project, Yaounde, 19 November, 2014.
12. Gnanvossou, D., R. Hanna, S. Nanga, and A. Foso Kuate. Biological control of Bactrocera invadens with the introduction and establishment of the parasitoids Bactrocera invadens in Benin and Cameroon. BMZ/icip project workshop on mango IPM, Mombassa, Kenya, 1-‐3 Decembre 2014.
13. Hanna, R., D. Gnanvossou, S. Nanga, M. R. Ndjab, and A. Foso Kuate. Integrated management of fruit flies infesting mango and guava in Benin and Cameroon. BMZ/icip project workshop on mango IPM, Mombassa, Kenya, 1-‐3 December 2014.
14. Hanna, R. 2013. Forests and food security. Expert panel presentations during the Forests Yesterday, Today and Tomorrow, organized by the International Center for Forestry Research, Yaounde, Cameroon; 21-‐21 May 2013.
15. Hanna, R., 2013. Biotechnology in crop improvement in Africa: the case of cassava and banana. Expert panel presentations during Biotechnology Awareness week, Yaoundé, Cameroon; 5 September 2013.
16. Hanna, R., 2013. Forests, biodiversity, agriculture and climate change. Expert panel debate for two podcasts on Cameroon National Radio (CRTV), Yaoundé, Cameroon; 22 October 2013.
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17. Hanna, R. 2011. Classical biological control of Bactrocera invadens in Africa. Presentation at the first planning meeting of the second phase of the BMZ Mango IPM project. icipe, Nairobi, 19-‐20 April 2011.
18. Gnanvossou, D. and R. Hanna. 2011. Relative efficiency of four female attractants for monitoring fruit flies populations in mango orchards. Presentation at the first planning meeting of the second phase of the BMZ Mango IPM project. icipe, Nairobi, 19-‐20 April 2011.
19. Negloh, K., R. Hanna, P. Schausberger, and M.W. Sabelis. 2010. Comparative biology of Neoseiulus baraki and Neoseiulus paspalivorus: interspecific interactions and predation efficiency. Invited oral presentation at the XIII International Congress of Acarology, Recife, Brazil, 23-‐27 August 2010.
20. Oleke, J. M., V. M. Manyong, R. Hanna, and A. C. Isinika. 2010. Stakeholders analysis of coconut production and perception on coconut mite damage and other coconut constraints in Tanzania. Invited oral presentation at the XIII International Congress of Acarology, Recife, Brazil, 23-‐27 August 2010.
21. Sabelis, M. W., R. Hanna, A. Onzo, A. Pallini, I. Cakmak, and A. Janssen. 2010. Multiple predators, intraguild interactions and biological control of a single spider mite species. Invited oral presentation at the XIII International Congress of Acarology, Recife, Brazil, 23-‐27 August 2010.
22. Silva, F. R., G.J. de Moraes, M.W. Sabelis, R. Hanna, E.G. Estrada-‐Venegas, N.C. Mesa, and C. Vasquez. 2010. The search for natural enemies of the coconut mite (Aceria guerreronis Keifer) in Latin America. Invited oral presentation at the XIII International Congress of Acarology, Recife, Brazil, 23-‐27 August 2010.
23. Sourassou, N. F., R. Hanna, I. Zannou, G. J. de Moraes, K. Negloh, and M.W. Sabelis. 2010. Morphological variation and reproductive incompatibility among geographic populations of two phytoseiid mite species associated with the coconut mite in Africa and Brazil. Invited oral presentation at the XIII International Congress of Acarology, Recife, Brazil, 23-‐27 August 2010.
24. Zannou, I. D., K. Negloh, R. Hanna, S. Houadakpode, and M.W. Sabelis. 2010. Mite diversity in coconut habitat in West and East Africa. Invited oral presentation at the XIII International Congress of Acarology, Recife, Brazil, 23-‐27 August 2010.
25. Grout, Tim, Hanna, R., and Ekesi, S. 2009. Research in West and East Africa in preparation for the invasion by Bactrocera invadens. Proceedings of the 16th Entomological Congress of the Entomological-‐Society-‐of-‐Southern-‐Africa Stellenbosch, South Africa, pp 33, 2009.
26. Fotso, A. and Hanna, R. 2009. Ant diversity in the forest zone of Central Africa. Poster presentation at the Forest Day organized by the International Forestry Center, Yaoundé, Cameroon, 13 November 2009.
27. Hanna, R. 2009. Cyanogenic potential and the production of safer cassava and its products. Presentation at stakeholders meeting on Konzo, IITA-‐Cameroon, 3 March 2009.
28. Hanna, R. Messing, R., and Kumar, L. 2009. Biological control of the banana aphid. Presentation at the regional workshop on banana bunchy top and banana bacterial wilt, Arusha, Tanzania 28-‐31 August 2009.
29. Hanna, R., Billah, M., S. Ekesi, G. Goergen and K. Bandara. 2008. Foreign exploration in Sri Lanka for natural enemies of Bactrocera invadens, an invasive fruit fly in Africa. Presentation in a symposium on advances in biological control of fruit flies during the first meeting of the Tephritid Workers of Europe, Africa and the Middle East (TEAM), 6-‐7 April, Palma, Spain.
30. Mohammad, S., S. Ekesi, and R. Hanna. 2008. Laboratory evaluation of parasitism of Bactrocera invadens and five Ceratitis species by the opiine parasitoids Fopius arisanus and Diachasmimorpha longicaudata. Presentation in a symposium on advances in biological control of fruit flies during the first meeting of the Tephritid Workers of Europe, Africa and the Middle East (TEAM), 6-‐7 April, Palma, Spain.
31. Ekesi, S. and R. Hanna. 2008. Co-‐organizers of a forum on invading Bactrocera species in Africa. In addition to co-‐moderating the session, we gave two presentations on the state of knowledge
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and prospects for management of Bactrocera invadens and B. cucurbitae in Africa First meeting of the Tephritid Workers of Europe, Africa and the Middle East (TEAM), 6-‐7 April, Palma, Spain.
32. Ekesi, S. and R. Hanna. 2006. The African Fruit Fly Initiative (AFFI): Developing and introducing affordable technologies and skills for the management of fruit flies in Africa. Invited symposium presentation at the 7th International Symposium on Fruit Flies of Economic Importance, Salvador, Brazil, 10-‐15 September 2006.
33. Hanna, R., Alexis Onzo, J. Steve Yaninek, Muaka Toko, Gilberto J. de Moraes, Maurice Sabelis, Ignace Zannou, Desire Gnanvossou, Fabien Hountondji, Nazer Famah, and Christine Zundel. 2006. Classical biological control of cassava green mite in Africa – present status and lessons learned. Invited symposium presentation at the 12th International Congress of Acarology, Amsterdam, the Netherlands, 21-‐25 August 2006, Abstract Book, p. 72.
34. Hountondji, F. C. C., M. W. Sabelis, and R. Hanna. The role of infochemicals in the interaction between cassava green mites and a fungal pathogen. Invited symposium presentation at the 12th International Congress of Acarology, Amsterdam, the Netherlands, 21-‐25 August 2006, Abstract Book, p. 79.
35. Hanna, R., M. Tindo, and G. Goergen. Land use patterns and abundance of Stictococcus vayssierei on cassava in Central Africa. Presentation at the soil arthropods symposium, Entomological Society of America Pacific Branch meeting, Lake Tahoe, Nevada, June 2002.
36. Hanna, R. Status of classical biological control of cassava green mite in sub-‐Saharan Africa – from releases to impact. Steering Committee meeting of the Southern Africa Root Crops Research Network, Pretoria, South Africa, April 2002.
37. Hanna, R., D. Ojo, S. Yaninek, M. Toko, A. Onzo, G. Paraiso, and D. Gnanvossou. Abundance of exotic phytoseiids on cassava in Africa: effect of shoot apex characteristics. XXI International Congress of Entomology, Iguassu Falls, Brazil, August 2000.
38. Hanna, R., F. G. Zalom, and L. T. Wilson. Integrated management of spider mites in California vineyards. Symposium presentation at the International Congress of Entomology, Iguassu Falls, Brazil, August 2000.
39. Hanna, R. J. S. Yaninek, M. Toko, B. Megevand, A. Onzo, D. Gnanvossou, I. Zannou, D. Ojo, G. Paraiso, and F. Fularanmi. Status of cassava green mite biocontrol in Africa. Seventh Triennial Symposium of the International Society of Tropical Root Crops-‐ Africa Branch, Cotonou, Benin, October 1998.
40. Hanna, R. Role of cover crops in grape pest management. Invited lecture in a class on alternative agriculture, University of California, Davis, January 1997.
41. Hanna, R. IPM in California vineyards. Invited seminar presentation in the Department of Plant Protection, American University of Beirut, September 1996.
42. Hanna, R. Spider mite management in vineyards. Workshop on grape pest management sponsored by the Lodi-‐Woodbridge Winegrape Commission, Lodi, California, July 1996.
43. Hanna, R. and F. G. Zalom. The impact of ground cover management on leafhoppers abundance in vineyards. Annual meeting of the Cover Crops Workgroup, University of California, Davis, March 1996.
44. Hanna, R. Ecology and management of spider mites in grapes. IPM short course, Merced College, Merced, California, February 1994.
45. Hanna, R. Integrated pest management in grapes. Egyptian Fruit Farmers Delegation, Farmer to Farmer Program, Agricultural Cooperative Development International, Davis, California, January 1994.
46. Hanna, R. Effect of cover crops on spider mites and leafhoppers in vineyards. First Annual Pest Conference, University of California, Davis, December 1993.
47. Hanna, R. Spiders as predators of vineyard pests. IPM short course, Merced College, Merced, California, February 1993.
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48. Hanna, R. and F. G. Zalom. Legume cover crops in vineyards: a pest management perspective. Symposium presentation at the Pacific Branch meeting of the Entomological Society of America, Sacramento, California, June 1991.
b. Contributed (selected from a total of 103) 1. Djomaha, E., R. Hanna, R. Ghogomu, and A. Fotso. 2013. Effet des saisons de culture sur la
dynamique de la population des ravageurs et de leurs ennemis naturels sur les variétés de chou. Oral presentation in the 20th Biennial Conference of the African Association of Insect Scientists, Yaoundé, Cameroon, 28-‐31 October 2013.
2. Doumtsop, A., R. Hanna, A. Fomena, B. Normark, and W. Tata Hangy. 2013. Molecular-‐based diversity of the scale insect Stictococcus vayssierei in the Congo Basin: Evidence for the existence of a species complex. Oral presentation in the 20th Biennial Conference of the African Association of Insect Scientists, Yaoundé, Cameroon, 28-‐31 October 2013.
3. Doumtsop, A., R. Hanna, and M. Tindo. 2013. Effects of temperature and relative humidity on immature development and survival of Stictococcus vayssierei Richard, a pest of some tropical root and tuber crops. Oral presentation in the 20th Biennial Conference of the African Association of Insect Scientists, Yaoundé, Cameroon, 28-‐31 October 2013.
4. Fosto Kuate, A., R. Hanna, P. Nagel, and M. Tindo. 2013. Ant diversity in the humid forest zone of Cameroon: Distribution of the pest ant Anaplolepis tenella Santschi. Oral presentation in the 20th Biennial Conference of the African Association of Insect Scientists, Yaoundé, Cameroon, 28-‐31 October 2013.
5. Fosto Kuate, A., R. Hanna, S. Nanga Nanga, M. Tindo and P. Nagel. 2013. Evaluation of boric acid for the suppression of the ant Anoplolepis tenella and impact on infestations of its tended scale insect Stictococcus vayssierei in cassava fields in Cameroon. Oral presentation in the 20th Biennial Conference of the African Association of Insect Scientists, Yaoundé, Cameroon, 28-‐31 October 2013.
6. Ngatat, S., R. Hanna, P. L. Kumar and D. A. Fontem. 2013. Population dynamics of banana aphid, Vector of banana bunchy top virus, on four Musa genotypes with varying levels of aphid susceptibility. Oral presentation in the 20th Biennial Conference of the African Association of Insect Scientists, Yaoundé, Cameroon, 28-‐31 October 2013.
7. Azandeme, G. I., R. Hanna and D. Gnanvossou. 2013. Roosting hosts and their integration into bait application for the management of fruit flies infesting cucurbits in Benin, West Africa. Oral presentation in the 20th Biennial Conference of the African Association of Insect Scientists, Yaoundé, Cameroon, 28-‐31 October 2013.
8. Dongomo, M., R. Hanna, S. Kekeunou, J. Kroschel, and H. Tonnnang. 2013. Demographic analysis of Bactrocera invadens reared at five constant temperatures. Oral presentation in the 20th Biennial Conference of the African Association of Insect Scientists, Yaoundé, Cameroon, 28-‐31 October 2013.
9. Gnanvossou, R. Hanna, A. H. Bokonon-‐Ganta, S. Mohamad, and S. Ekesi. 2013. Seasonal abundance and species diversity of tephritid fruit flies in male lure traps in Benin, West Africa. Oral presentation in the 20th Biennial Conference of the African Association of Insect Scientist, Yaoundé, Cameroon, 28-‐31 October 2013.
10. Gnanvossou, R. Hanna, A. H. Bokonon-‐Ganta, S. Mohamad, and S. Ekesi. 2013. Release, persistence, and parasitism of Bactrocera invadens on bush mango, Irvingia gabonensis, in Benin, West Africa. Oral presentation in the 20th Biennial Conference of the African Association of Insect Scientists, Yaoundé, Cameroon, 28-‐31 October 2013.
11. Nanga Nanga, S., R. Hanna, S. Kekeunou, J. Kroschel, and H. Tonnnang. 2013. Demographic analysis of Fopius arisanus reared at five constant temperatures. Oral presentation in the 20th Biennial Conference of the African Association of Insect Scientists, Yaoundé, Cameroon, 28-‐31 October 2013.
12. Ngatat, E. S., R. Hanna, D. A. Fontem and P. L. Kumar. 2013. Susceptibility of Musa genotypes to banana bunchy top virus and implications of BBTD management. Poster presentation at the 12th
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International Plant Virus Epidemiology Symposium, Arusha, Tanzania. Abstract book, p. 176. ISBN 978-‐978-‐8444-‐08-‐4.
13. Hanna, R., S. Ngatat, M. R. Ndjab, A. Fotso, A. Doumtsop and P. L. Kumar. 2013. Ecology of the banana aphid Pentalonia nigronervose, the vector of banana bunchy top virus. Oral presentation at the 12th International Symposium on Plant Virus Epidemiology, 28 January – 1 February 2013, Arusha, Tanzania. Abstract book, p. 45. ISBN 978-‐978-‐8444-‐08-‐4.
14. Igwe, D., S. Ngatat, M. Cilia, M. S. Bereman, M. J. MacCoss, M. Ghanim, S. Gray, R. Hanna, and P. L. Kumar. 2013. Development of biomarkers for vector competent aphid and whitefly populations in sub-‐Saharan Africa. Poster presentation at the 12th International Symposium on Plant Virus Epidemiology, 28 January – 1 February 2013, Arusha, Tanzania. Abstract book, p. 168. ISBN 978-‐978-‐8444-‐08-‐4.
15. Kumar, P. L., R. Hanna, A. Owati, B. Lokossou, R. O. Adegbola, O. O. Awosusi, C. Onyeani, A. M. Pefoura, G. I. Atiri, and E. A. Asiedu. 2013. Expansion of Banana bunchy top virus pandemic into West Africa. Poster presentation at the 12th International Symposium on Plant Virus Epidemiology, 28 January – 1 February 2013, Arusha, Tanzania. Abstract book, p. 113. ISBN 978-‐978-‐8444-‐08-‐4.
16. Hanna, R., G. Azandeme, and D. Gnanvossou. 2010. Identification of roosting hosts and their integration into bait applications for the management of cucurbit flies in West Africa. Pp110, in book of abstracts of the 8th International Symposium on Fruit Flies of Economic Importance, Sabater Munoz, B., Navarro Llopis, V., Urbaneja Garcia, A. (eds). Editorial Universitat Politècnica de València, Spain. 312pp. ISBN: 978-‐84-‐693-‐4446-‐0.
17. Ekesi, S., J.-‐F. Vayssieres, R. Hanna, M. De Meyer, G. Goergen, and A. Malachrida. 2010. Status of Bactrocera invadens management in Africa: recent advances, successes and challenges. Pp86, in book of abstracts of the 8th International Symposium on Fruit Flies of Economic Importance, Sabater Munoz, B., Navarro Llopis, V., Urbaneja Garcia, A. (eds). Editorial Universitat Politècnica de València, Spain. 312pp. ISBN: 978-‐84-‐693-‐4446-‐0.
18. Hanna, R., Gnanvossou, D., Bokonon-‐Ganta, A., and Ekesi, S. 2010. Fruit flies species composition and seasonality, and relative efficiency of four female attractants in mango orchards in Benin. Pp251, in book of abstracts of the 8th International Symposium on Fruit Flies of Economic Importance, Sabater Munoz, B., Navarro Llopis, V., Urbaneja Garcia, A. (eds). Editorial Universitat Politècnica de València, Spain. 312pp. ISBN: 978-‐84-‐693-‐4446-‐0.
19. Dossou, R. A., R. Hanna, A. Onzo, and F. Amadji. 2010. Un schéma de distribution de boutures de nouvelles variétés améliorées de manioc au Bénin: une expérimentation conjointe de la recherche et de la vulgarisation pour une diffusion rapide de nouvelles variétés au profit des agriculteurs. Poster presentation at the 11th Symposium of ISTRC-‐AB, Kinshasa, 4-‐8 October 2010.
20. Doumtsop, A., R. Hanna, B. Normark, and S. Korie. 2010. Diversity of the African root and tuber scale Stictococcus vayssierei in Central Africa. Poster presentation at the 11th Symposium of ISTRC-‐AB, Kinshasa, 4-‐8 October 2010.
21. Ekesi, S., J.-‐F. Vayssieres, R. Hanna, M. De Meyer, G. Goergen, and A. Malachrida. 2010. Status of Bactrocera invadens management in Africa: recent advances, successes and challenges. Poster presentation at the 8th International Symposium of Fruit Flies of Economic Importance, Valencia, Spain, 26 September – 1 October 2010.
22. Goergen, G., R. Dossou, R. Asiedu, and R. Hanna. 2010. Scale insects on yams in Benin: diversity, incidence and farmers’ knowledge and perceptions. Poster presentation at the 11th Symposium of ISTRC-‐AB, Kinshasa, 4-‐8 October 2010.
23. Hanna, R., A. Doumtsop, B. Normark. 2010. Diversity of the African root and tuber scale (Stictococcus vayssierei) in Central Africa. Poster presentation at the Annual Meeting of the Entomological Society of America, San Diego, California, 12-‐16 Dec 2010.
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24. Hanna, R., D. Gnanvossou, A. Bokonon-‐Ganta, S. Ekesi. 2010. Fruit flies species composition and seasonality, and relative efficiency of four female attractants in mango orchards in Benin. Poster presentation at the 8th International Symposium of Fruit Flies of Economic Importance, Valencia, Spain, 26 September – 1 October 2010.
25. Hanna, R., G. Azandeme, and D. Gnanvossou. 2010. Identification of roosting hosts and their integration into bait applications for the management of cucurbit flies in West Africa. Poster presentation at the 8th International Symposium of Fruit Flies of Economic Importance, Valencia, Spain, 26 September – 1 October 2010.
26. Mohamed, S. A., S. Ekesi, and R. Hanna. 2010. Effect of host rearing diet on fitness parameters of Fopius arisanus (Sonona) (Braconidae: Hymenoptera). Poster presentation at the 8th International Symposium of Fruit Flies of Economic Importance, Valencia, Spain, 26 September – 1 October 2010.
27. Pallanygyo, B., R. Hanna, E. Nsami, O. Mfugale, A. Bokonon-‐Ganta, D. Gnanvossou, and O. Ajuonu. 2010. Management strategy for sprialling whitefly in Tanzania. Oral presentation at the 13th Symposium of ISTRC-‐AB, Kinshasa, 4-‐8 October 2010.
28. Sourassou, N. F. and R. Hanna. 2010. Effects of extrafoliar exudates and cyanogenic potential of three cassava cultivars on life history parameters of Thyphlodromalus aripo, a predator of cassava green mite. Poster presentation at the XIII International Congress of Acarology, Recife, Brazil, 23-‐27 August 2010.
29. Hanna, R. and L. Kumar, 2009. Banana aphid and banana bunchy top virus – distribution and development of management option in sub-‐Saharan Africa. Presentation at the Annual Meeting of the Entomological Society of America, Indianapolis, Indiana, USA; 12-‐16 December 2009.
30. Hanna, R., Onzo, A., Sabelis, M. W., and Zundel, C. 2009. Suitability and attraction of cassava genotypes to the predatory mite Typhlodromalus aripo. Poster presentation at the Annual Meeting of the Entomological Society of America, Indianapolis, Indiana, USA; 12-‐16 December 2009.
31. Hanna, R., R. Messing, and L. Kumar. 2009. Biological control of the banana aphid. Presentation at the regional workshop on banana bunchy top and banana bacterial wilt, Arusha, Tanzania 28-‐31 August 2009.
32. Hanna, R., D. Ganvossou, G. Hounmalon-‐Azandeme, and A. Agbaka. 2008. Evaluation of Success Appat for the control of tephritid fruit flies infesting cucurbits in Benin, West Africa. Poster presentation at the First Meeting of the Tephritid Workers of Europe, Africa, and the Middle East, 6-‐7 April, Palma, Spain.
33. Ekesi, S. and R. Hanna. 2008. Co-‐organizers of a forum on invading Bactrocera species in Africa. In addition to co-‐moderating the session, we gave two presentations on the state of knowledge and prospects for management of Bactrocera invadens and B. cucurbitae in Africa First meeting of the Tephritid Workers of Europe, Africa and the Middle East (TEAM), 6-‐7 April, Palma, Spain.
34. Hanna, R., D. Gnanvossou, G. Azandeme, G. Goergen, and M. Tindo. 2006. Fruit flies infesting cucurbits in West Africa. Oral presentation at the Atelier Scientifque du Benin, 20-‐21 December, 2006, Cotonou, Benin.
35. Hanna, R., I. Agnotcheme, D. Gnanvossou, and G. Goergen. 2006. Infestations of citrus fruits by Bactrocera invadens and other fruit flies in Benin, West Africa. Poster presentation at the Atelier Scientifque du Benin, 20-‐21 December, 2006, Cotonou, Benin.
36. Hanna, R., M. Tindo, G. Goergen, A. Nguenkam. 2006. Pre-‐plant removal of reservoirs prevents severe infestations of Stictococcus vayssierei in cassava fields in Central Africa. Oral presentation at the annual Meeting of the Entomological Society of America, 10-‐13 December, 2006, Indianapolis, Indiana, USA.
37. Haymer, D., C. Naeole, K. Hurd, R. Hanna, G. Goergen, M. Tindo, and D. Gnanvossou. 2006. Molecular genetic variation in populations of Dacus punctatifrons Karsch from tropical Africa.
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Poster presentation at the 7th International Symposium of Fruit Flies of Economic Importance, Salvador, Brazil 10-‐15 September 2006.
38. Hanna, R., G. Goergen, D. Gnanvossou, M. Tindo, J.-‐F. Vayssieres, and S. Lux. The Asian fruit fly Bactrocera invadens in West and Central Africa: distribution, host range and seasonal dynamics. Oral presentation at the annual meeting of the Entomological Society of America, Ft. Lauderdale, Florida, USA, 15-‐18 December 2005.
39. Zundel, C., R. Hanna, U. Scheideger, and P. Nagel. Biological control of cassava green mite: exploring the limits of a neotropical predator in the highlands of Cameroon. Poster presentation at the 2nd International Symposium on Biological Control of Arthropods, Dovos, Switzerland, 12-‐18 September 2005.
40. Kariuki, C. W., R. Hanna, M. Toko, and B. M. Ngari, R. Irungu. Biological control of cassava green mite in Kenya – spread and persistence of the predatory mite Typhlodromalus aripo, and impact on cassava green mite and cassava root yield. Oral presentation at the 9th Triennial Symposium of the International Society for Tropical Root Crops – Africa Branch, 31 October-‐5 November 2004, Mombasa, Kenya.
41. Ngéve, J. M., R. Hanna, and M. Tindo. Characteristics of cassava landraces and their reactions to diseases and pests in Cameroon. Oral presentation at the 9th Triennial Symposium of the International Society for Tropical Root Crops – Africa Branch, 31 October-‐5 November 2004, Mombasa, Kenya.
42. Tata-‐Hangy, K., R. Hanna, M. Toko, and K. M. Lema. Population dynamics of the African root and tuber scale on cassava in the Bas-‐Fleuve District of the Democratic Republic of Congo. Oral presentation at the 9th Triennial Symposium of the International Society for Tropical Root Crops–Africa Branch, 31 October-‐5 November 2004, Mombasa, Kenya.
43. Wijnans, L., M. Tindo, and R. Hanna. Preliminary survey of entomopathogenic fungi associated with the African root and tuber scale Stictococcus vayssierei Richard. Poster presentation at the 9th Triennial Symposium of the International Society for Tropical Root Crops–Africa Branch, 31 October-‐5 November 2004, Mombasa, Kenya.
44. Butao, M., R. Hanna, J. Legg, and K. Krüger. Potential of the phytoseiid mite Iphiseius degenerans in the biological control of whiteflies and spider mites on cassava in Malaŵi. Fourteenth Congress of Entomology, 6-‐9 July 2003, Pretoria, South Africa.
45. Coulibaly, O., R. Hanna, S. Yaninek, and V. Manyong. Economic impact assessment of classical biological control of cassava green mite in West Africa: an economics surplus model. Oral presentation at the 8th Triennial Symposium of the International Society of Tropical Root Crops-‐Africa Branch, November 2001, Ibadan, Nigeria.
46. Hanna, R., W. Bentley, F. G. Zalom, and L. Martin. Cover crops with extrafloral nectar reduce ant foraging and grape mealybug abundance on grapevines in the San Joaquin Valley. Oral presentation at the annual meeting of the Entomological Society of America, Nashville, Tennessee, December 1997.
47. Hanna, R., F. G. Zalom, L. E. Williams, and E. A. Weber. 1996. Mechanisms of ground cover effects on Erythroneura variabilis and Erythroneura elegantula (Homoptera: Cicadellidae) in California vineyards. Poster presentation at the International Congress of Entomology, Florence, Italy, August 1996.
48. Hanna, R., F. G. Zalom, A. Corbett, and M. W. Stimmann. Use of rubidium marking to determine the impact of vineyard ground cover on leafhoppers and spiders. Poster presentation at the annual meeting of the Entomological Society of America, Las Vegas, Nevada, December 1995.
49. Hanna, R. and F. G. Zalom. Vegetational diversity, spiders, and leafhopper densities in vineyards. Oral presentation at the annual meeting of the Entomological Society of America, Baltimore, Maryland, December 1992.
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50. Hanna, R. and L. T. Wilson. Preference of a predatory mite associated with two spider mite species in California vineyards. Oral presentation at the annual meeting of the Entomological Society of America, San Antonio, Texas, December 1989.
Honors and Awards
1. Promoted to Principal Scientist (highest scientist grade at IITA) – Effective 1 January 2016. 2. Best oral paper award, 16th Triennial Symposium of the International Society of Tropical Root
Crops, Abeokuta, Nigeria; 23-‐28 September 2012. 3. Nominated by IITA for the CGIAR Outstanding Scientist Award for 2005. 4. Nominated by IITA for the CGIAR Outstanding Scientific Publication Award for 2005 – senior
author with four co-‐authors (Hanna et al. 2005; Population Ecology 46: 107-‐117). 5. Selected by the IITA Director General in November 2005 as one of the top scientists at IITA. 6. Outstanding/Exceptional performance evaluations for 2002, 2004, 2005, 2008, 2010, 2011, 2013
and 2014; yearly IITA staff performance evaluations. 7. Distinguished scholarship award for 1983-‐1984 academic year. University of California, Davis,
USA. 8. Graduated with distinction from the University of Minnesota, Minneapolis-‐St. Paul, USA. 9. Dean's list, Fall 1982 and Winter 1983, University of Minnesota, Minneapolis-‐St. Paul, USA.
Professional services a. Administration and management
Ø IITA Country Representative in Cameroon, February 2010 to present. This is a position functionally equivalent to the Director of the IITA-‐Cameroon Research Station.
Ø Coordinator of IITA’s Cassava IPM MTP Project (1998-‐2000) with responsibilities for (i) coordinating the activities of project scientists (the equivalent of 4 Senior Scientist Years), (ii) development of project planning matrix and project logical frame, (iii) preparation of annual reports, and (iv) end of year performance evaluation of project scientists.
b. Editorial
Ø Editorial Board of the International Journal of Tropical Insect Science. January 2006 to present. Ø Associate editor of the African Journal of Root and Tuber Crops, November 2001 to 2004.
Ø Nominated by the ESA International Branch President and selected to serve a 4-‐year term on the nominations committee for the ESA PI-‐E Section; October 2010 to present.
Ø Subject editor of the Journal of Integrated Pest Management, January 2010 to December 2014.
Ø Reviewer of research proposal for the Austrian Science Council (Austrian equivalent of the US National Science Foundation), South African Science Foundation, and International Foundation for Science.
Ø Reviewer for Annals of Applied Biology, Applied Entomology, Biocontrol Science and Technology, Biological Control, BioControl, Journal of Applied Ecology, Environmental Entomology, Journal of Economic Entomology, Experimental and Applied Acarology, International Journal of Tropical Insect Science, and Pest Management Fact Sheets for the University of California DANR Communication Services.
c. Committees
Ø Member of Steering Committee of AfDB project Project des Chaines de Valeurs Agricoles. Started on 18 August 2017.
Ø At the request of IITA Chairman of the Board, represented IITA staff on the search committee for IITA Director General (November 2010 to April 2011).
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Ø Inter-‐Center management committee, IITA-‐Cameroon; coordination between IITA-‐Cameroon and two other centers (CIFOR and AVRDC) hosted at the IITA-‐Cameroon campus.
Ø Elected member for a 4-‐year term to the executive committee of the International Congress of Acarology, August, 2010.
Ø Ex-‐Officio and member of the executive committee of the International Society of Root and Tuber Crops-‐Africa Branch, 1998-‐2001; 2004 to present.
Ø Consultation committee to develop IITA strategy for biotechnology and root and tuber systems.
Ø Panel to review the USAID-‐funded project on emergency management of the cassava mosaic virus disease in the Democratic Republic of Congo.
Ø Recruitment panel for four IITA scientists.
Ø IITA Procurement Committee, October 2003 to December 2005.
Ø Information technology committee, IITA-‐Benin, 1998 to 2005.
Ø Member of judge panel for paper and poster competition at the ESA Pacific Branch meeting, June 1991.
Ø Undergraduate curriculum committee, Department of Entomology, University of California, Davis for the1988/89 and 1989/90 academic years. Committee was responsible for major revisions of the Entomology undergraduate curriculum and for charting a plan to increase undergraduate enrollment.
Ø Departmental seminar coordination committee, Department of Entomology, University of California, Davis (1993-‐1997).
Ø Departmental teaching resource-‐multimedia center committee, Department of Entomology, University of California, Davis for the 1996/1997 academic year.
d. Other significant services
Ø Numerous meetings of Cameroon officials in conjunction with projects such as PNDRT, PREBAP, PACA, PRFP, PIDMA, etc.).
Ø Co-‐organized IITA's exhibit for CORAF, JERSIC (national science exhibition), Comice (national agriculture show), and Forest Day in Cameroon.
Ø Numerous meetings with NARS staff from Benin, Cameroon, DR Congo, Togo, and Tanzania. Ø Conducted media interviews (e.g., voice of America on banana bunch top disease; voice of the
farmers on cassava development in Cameroon; R4D review). Ø Routinely provided guided tours, presentations, and technical support to visitors of IITA’s
Biological Control Centre for Africa in Cotonou, Benin and IITA’s Humid Forest Ecoregional Center in Cameroon.
Ø Advised national programs in Benin, Cameroon, Democratic Republic of Congo, Ghana, Guinea-‐Conakry, Kenya, Malawi, Mozambique, Nigeria, Tanzania, Togo, Uganda and Zambia on numerous occasions on the development and implementation of biological control of exotic cassava pests.