managing common pests in the landscape ... - pesticide...
TRANSCRIPT
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Managing Common Pests in
the Landscape:
An Ecological Perspective
Dr. Ken Fry
Olds College
18th Annual IEPMA of Western Canada
Conference
January 30, 2014
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Overview
Site Management Spatial Diversity
Biodiversity
Temporal Diversity
Pest Diagnostics Diagnostic Process
Management
Strategies
Beneficial Insects in
the Landscape
Necessary Resources
Predators
Parasitoids
Identification
Resources
Keys
Image Galleries
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Habitat Diversity
Spatial Diversity
Horizontal Diversity
• Reduce monoculture
Vertical Diversity
• Herbs, forbs, shrubs, trees
• Inter-plantings with
different heights
Biodiversity
Alternate
hosts/Refugia
Temporal Diversity
Flowering plants all
season long
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Transition Zones
California Integrated Waste Management Board
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Bloom Timing of Native Plants
Attractive to Beneficial Insects
Native plant
wild strawberry
golden Alexanders
Canada anemone
penstemon
angelica
cow parsnip
sand coreopsis
shrubby cinquefoil
Indian hemp
late figwort
swamp milkweed
Culver's root
yellow coneflower
nodding wild onion
meadowsweet
yellow giant hyssop
horsemint
Missouri ironweed
cup plant
pale Indian plantain
boneset
blue lobelia
pale-leaved sunflower
Riddell's goldenrod
New England aster
smooth aster
Natural enemies Aug May Jun Jul Sep Oct
Bloom Period Bees
KEY
good
better
best
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Plants for our climate
Plant Bloom Colour Time of Bloom
Chokecherry White Spring
Pussy Willow Yellow Spring
Wild Rose Pink Early summer
Goldenrod Yellow Fall
Monarda Light Blue Summer
Penstemon Pink Early Summer
Echinacea Purple Summer
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Large Scale Management Practices
Drainage
Air
Water
Hedgerows
Insect/Disease Refugia
Block Immigration
K. Fry
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Miscellaneous Management Practices
Biodiversity
Economic
consideration
Beneficial insect
community
Understory
Different pest complex
Neighbouring Plants
Chemical drift
Source of insects/disease
Effect of N fertilisation
High nitrogen benefits
aphids
Healthy Plants Have Fewer Pest Problems
K. Fry
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Pine Needle Scale
Chionaspis pinifoliae
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Bronze Birch Borer
2-year Life Cycle
Adults lay eggs late
June - early July
Under bark, old
wounds
Eggs laid in
branches 25mm+
diameter
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White Pine Weevil
Pissodes strobi
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Conserving the Urban
Ecosystem
Soil Conservation
Reduced
disturbance
Organic content
Preserve structure
Water Conservation
Drought-tolerant plants
Rain capture
Terraform
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Conserving the Urban
Ecosystem
Plant Health
Hardy species
Biodiversity
Spatial diversity
Insect Conservation
๏Flowering plants
Refugia
↓ Pesticide Use
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All Species
Fish 50%
Mammals 9%
Birds 20%
Herp’s 15%
Amphib’s 6%
note: 9% of 4% = 0.36%
Verts 4% Other 18%
Arthropods 75%
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What Roles do Insects Play?
Pollinators
Decomposers/Recyclers
Predators/Parasitoids
Herbivores
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Poplar Borer
Saperda calcarata
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©CSU/Denver County Extension
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Web Resources
Michigan State University – Dr. Doug Landis
http://www.nativeplants.msu.edu
Plant Database
http://www.wildflower.org/plants/
Plant Phenology
http://neoninc.org/budburst/
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Web Resources, cont.
Healthy Lawns Canada http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/environ/lawn-pelouse-
eng.php
IPM Accreditation Ontario http://www.ontarioipm.com/
PMRA Reduced Risk Pesticides http://www.pmra-arla.gc.ca/english/pubs/rr-e.html
Canada Organic List http://www.tpsgc-
pwgsc.gc.ca/cgsb/on_the_net/organic/index-e.html
OMRI List of Organic Products http://www.omri.org/OMRI_products_list.php
National Organic Program (U.S.) List of Organic Products http://www.ams.usda.gov/nop/NOP/standards/ListReg.html
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What questions to ask?
Establish context
Host plant
Where on plant
How extensive on plant
When occurred
Health of plant
๏ Watering practices
๏ Soil condition
๏ Fertility
Specific signs (the
pest)
Insect
Frass
๏Exuviae (cast skins)
Symptoms (the plant)
Damage
Insect or disease?
Varmint?
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Predators & Parasitoids
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Ground Beetles – Carabidae
- In soil & ground surface
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Lady Beetles
Coccinellidae
- Prey on soft-bodied insects
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Podisus maculiventris
Pentatomidae
- Prey on caterpillars
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Damsel Bug – Nabidae
- caterpillars, grubs
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Ambush Bug – Phymatidae
- In flowers
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Orius spp. – Minute Pirate Bug – Anthocoridae
- thrips, caterpillars, grubs
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Geocoris spp. – Big-eyed Bug – Lygaeidae
- Spider mites, caterpillars, grubs
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Family Syrphidae:
Flower Fly Larvae and Adult
Larvae feed on soft-bodied insects
Adults are pollinators
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Family Cecidomyiidae: Midges
Larvae feed on soft-bodied insects
Adults feed on nectar
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Feltiella acarisuga
Cecidomyiidae
- mites
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Lacewings
Chrysopidae, Hemerobiidae
- aphids, soft-bodied insects
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Phytoseiulus persimilis
Neoseiulus fallacis
N. californicus
Mite Predators
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Yellow Jacket Wasps – Vespidae
Early-mid season predators
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Araneidae
Orbweaver
Salticidae
Jumping Spider Theridiidae
Tangled-Web Spiders
Opiliones
Daddy Long-legs
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Thomisidae
Crab Spiders
R. Deaville-Erb
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Parasitoids lay eggs inside host
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Ichneumonidae Banchus spp.
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Tachinidae
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Pathogens
Viruses Fungi Nematodes
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๏ Alternate hosts/prey ๏ Non-crop herbivores ๏ Banker plants
๏ Shelter ๏ Moderated
microclimates ๏ In-season refuges ๏ Overwintering sites ๏ Nesting sites
๏ Food ๏ Nectar ๏ Pollen
Beneficial Insect Requirements
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Access to Clean
Water ๏ Wetlands
๏ Bird
baths ๏ Ditches
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Nesting
Resources
nest made in burrow nest made in sloping soil nest entrance in soil
holes in a tree that could be used by bees
nesting box constructed for cavity nesting bees
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Augmentation of Beneficial Insects
๏ Supplementing already present
beneficial insects
๏ Inoculate
๏ Introduce/reintroduce natural enemies
๏ Inundate
๏ Repeated mass introductions
๏ Commercially available beneficials
insects
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Web Resources for Biological Control
Applied Bionomics http://www.appliedbionomics.com/
Becker Underwood http://www.beckerunderwood.com/products/_nematodes.as
p
BioBest http://www.biobest.be/
Biological Control Information Centre http://cipm.ncsu.edu/ent/biocontrol/
Guide to Biological Control http://cipm.ncsu.edu/ent/biocontrol/
Nematodes http://www.oardc.ohio-state.edu/nematodes/
Koppert http://www.koppert.nl/e005.shtml
List of Suppliers http://www.cdpr.ca.gov/docs/ipminov/bensuppl.htm
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Insect Identification Sites
Bee Genera of Canada http://pick5.pick.uga.edu/mp/20q?guide=Bee_g
enera_United_States_and_Canada
Bug Guide http://bugguide.net/node/view/15740
Discover Life http://www.discoverlife.org/
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Insect Identification Sites
Butterflies & Moths http://www.butterfliesandmoths.org/
Earthworms http://www.naturewatch.ca/english/wormwatch
/resources/key/index.html
Forest Pests http://www.forestryimages.org/pests.cfm
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Insect Identification Sites
Yellow Jackets in Edmonton http://homebuggarden.blogspot.ca/2009/08/bio
diversity-gone-bad-hornets-in-home.html
Royal Alberta Museum http://www.royalalbertamuseum.ca/natural/inse
cts/bugsfaq/bugsfaq.htm
Key to common pests http://agspsrv34.agric.wa.gov.au/ento/pestweb/
default.idc
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Insect Identification Sites Bumblebees of North America
http://www.nhm.ac.uk/research-
curation/research/projects/bombus/wnearctic.
html
Yellow Jackets of Western North
America http://academic.evergreen.edu/projects/ants/T
ESCBiota/kingdom/animalia/phylum/arthropod
a/class/insecta/order/hymenoptera/family/Vesp
idae/Kweskin97/KEY.HTM
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Insect Identification Sites
Key to Butterflies and Moths of
Canada http://www.biology.ualberta.ca/bsc/ejournal/d_
17/d_17_download.html
Key to Aquatic Invertebrates of
Alberta http://sunsite.ualberta.ca/Projects/Aquatic_Inv
ertebrates/index.php
AAFC Monographs http://esc-sec.ca/aafcmono.php
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Point Pleasant Park, Halifax, NS
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