catalogue of known species of acari from the galapagos islands (ecuador, pacific ocean)

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Catalogue of known species of Acari from theGalapagos Islands (Ecuador, Pacific ocean)Heinrich Schatz aa Zoological Institute, University of Innsbruck, Technikerstr. 25, A 6020, Innsbruck, AustriaVersion of record first published: 17 Mar 2009.

To cite this article: Heinrich Schatz (1991): Catalogue of known species of Acari from the Galapagos Islands (Ecuador, Pacificocean), International Journal of Acarology, 17:3, 213-225

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Vol. 17, No. 3 Internat. J. Acarol. 213

CATALOGUE OF KNOWN SPECIES OF ACARI FROM THE GALAPAGOS ISLANDS (ECUADOR, PACIFIC OCEAN)

Heinrich Schatz Zoological Institute, University of lnnsbruck, Technikerstr. 25, A 6020 Innsbruck, Austria

ABSTRACT - A catalogue of Acari known from the Galapagos Islands is presented. Only 89 species and subspecies belonging to 14 families have been reported until now. Bibliography, general distribution, and distribution on the islands is given for each species. The hosts are included for the parasitic species.

INTRODUCTION

The Galapagos islands in the Pacific ocean are situated on the equator about 1000 km west of the South American coast. They consist of 18 islands and numerous islets and rocks covering a land surface of about 8000 km. 2 Their origin is volcanic, their age less than 4 million years. Although situated on the equator, the climate is not tropical because of cool oceanic cur- rents and resulting arid conditions (Perry, 1984; Schatz & Schatz, 1988/89).

This catalogue reflects the present stage of Acarological studies in the Galapagos Islands. General- ly, the fauna of the Galapagos Islands is well known for its uniqueness. But compared with larger invertebrates the minute mites attracted attention relatively late. The levels of investigation are far from equal for the different groups. Nearly every collection in Galapagos includes species new for the islands and among them many new for science.

Until now only 88 species of Acari belonging to 14 families have been reported from the Galapagos Islands. About half of these belong to the family Halacaridae studied by I. Bartsch. The majority of the mite species occurring in Galapagos are completely unknown. Only the parasitic Ixodida have been thoroughly investigated; the families Phytoseiidae and the Halacaridae are known in some detail. The knowledge of soil living mites is particularly poor. From the vast number of species belonging to this group only 16 species reported from the islands were found in the literature. In the course of a recent soil zoological project (Schatz & Schatz, 1988/89) several collections from soils of the Galapagos Islands will be evaluated.

Especially from the large order Oribatida only two species have been described up to now. But more than 125 species were recognized by the author; many of. them are new to science and awaiting description. Ad- ditionally, several more soil riving species of the orders Gamasida, Actinedida and Astigmata were found but not determined, among them include at least 20 more species of Uropodina (Hirschmann, in litt) as well as a new genus of Caeculidae (Coineau, in litt.). These groups shall be presented separately in a sequel to this catalogue.

The zoogeographical evaluation of the Galapagos mite fauna is impeded by a lack of knowledge about the acarofauna of the adjoining areas. Only few data are available from the possible source areas, Central and South America as well as the Pacific region, which ex- plains the high proportion of species described only from Galapagos (63 out of 88 known species). Such a high degree of endemism is very improbable in the acarofauna of a young volcanic archipelago like Galapagos although some species of Acari seem to show striking examples of speciation (Schatz, 1991).

The author would like to express his gratitude to Dr. I. Bartsch, Hamburg, Germany (Halacaridae); Dr. E. Ebermann, Graz, Austria (Scutacaridae); Dr. W. Hirschmann, Fiirth, Germany (Uropodina); and Dr. J.E. Keirans, Bethseda, Maryland, U.S.A. (Ixodida) for critical reading and corrections of the respective parts of this catalogue.

The classification and arrangement follows the concept proposed by Krantz (1978) and recently revised by Woolley (1988). The official spanish names are used for the islands of Galapagos.

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Subclass: ACARI

Cohort: PARASITIFORMES

Order: G a m a s i d a

Suborder: D e r m a n y s s i n a

Superfamily: Phytoseioidea

Family: Phytosei idae

Genus: Mumaseius

1. Mumaseius foraminosus Schuster 1966

Pac. Ins. 8 (2), p. 321, pl. I, figs. 1-6. Santa Cruz - Bahia Academy: in a lichen, Roccella

babingtoni. General distribution: Till now known only from the

Galapagos Islands.

2. Mumaseius evectus Schuster 1966

Pac. Ins. 8 (2), p. 321, pl. I, figs. 7-14. Santa Cruz - Bahia Academy: on leaves of Cordia lutea,

and on Hibiscus tiliaceus. General distribution: Till now known only from the

Galapagos Islands.

Genus: Typhloseiopsis

3. Typhloseiopsis conspicua (Garman 1948)

Bull. Conn. Agric. Exp. Sta. New Haven 520, p. 14, fig. (Iphidulus conspicuus).

T. conspicua: Schuster 1966, p. 323, pl. II, figs. 1-4 Wolf island: on Croton stems.

General distribution: Found throughout North America.

Genus: Metaseiulus

4. Metaseiulus longipilus (Nesbitt 1951)

Zool. Verh. Leiden 12, p. 26, figs. (Typhlodromus lon- gipitus).

M. longipilus: Schuster 1966, p. 323, pl. IX, figs. 4-9. Santa Cruz - Southern part, near Bella Vista: on ?Arum. General distribution: North and Central America.

Genus: Iphiseius

5. Iphisehts papenfitssi Schuster 1966

Pac. Ins. 8 (2), p. 323, pl. II, figs. 5-11. Santa Cruz - Southern part, near Bella Vista: in

Furcraea cubensis litter. General distribution: Till now known only from the

Galapagos Islands.

6. Iphiseius exitus Schuster 1966

Pac. Ins. 8 (2), p. 325, pl. II, figs. 1-5, 8. Santa Cruz - Bahia Academy: from grass with roots and

soil. General distribution: Till now known only from the

Galapagos Islands.

Genus: Amblyseius

7. Amblyseius cavagnaroi Schuster 1966

Pac. Ins. 8 (2), p. 327, pl. III, figs. 6, 7, 9-12. Pinz6n - Summit area: in lichen. General distribution: Till now known only from the

Galapagos Islands.

8. Amblyseius spec. nr. asetus (Chant 1959)

Schuster 1966, p. 327, pl. IV, figs. 1-7. Santa Cruz - Bahia Academy: from grass with roots and

soil. General distribution: A. asetus occurring in North

America.

9. Amblyseius corycus Schuster 1966

Pac. Ins. 8 (2), p. 329, pl. IV, figs. 8-15; pl. 5, figs. 1, 2. Santa Cruz - Miconia zone: in mixture of Sticta weigelii,

and Cladonia ceratophylla. Floreana (Santa Maria) - Highland: in moss. Pinz6n - Summit area: in mixture of Pseudocyphellaria

attrata, Teloschistes flavicans, Usnea sp., and Frul- lania sp.

General distribution: Till now known only from the Galapagos Islands.

10. Amblyseius pegasus Schuster 1966

Pac. Ins. 8 (2), p. 329, pl. V, figs. 3-6. Santa Cruz - Southern part, Cultivated zone: from corn

roots and soil. General distribution: Till now known only from the

Galapagos Islands.

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11. Amblyseius invicttts Schuster 1966

Pac. Ins. 8 (2), p. 331, pl. V, figs. 7-12; pl. VI, figs. 1-5. Santa Cruz - Bahia Academy: on mangrove leaves. General distribution: Till now known only from the

Galapagos Islands.

12.Amblyseius aerialis (Muma 1955)

Ann. Ent. Soc. Amer. 48, p. 264, figs. (Amblyseiopsis aerialis).

Amblyseius aerialis: Schuster 1966, p. 332, pl. VIII, figs. 1-5.

Santa Cruz - Bahia Academy: on mangrove leaves; in algae on dead shrubs; on rotting Opuntia echios var. gigantea.

General distribution: North and Central America.

13. Amblyseius lassus Schuster 1966

Pac. Ins. 8 (2), p. 334, pl. VI, figs. 6-11; pl. VII, figs. 1-6. Santa Cruz - Bahia Academy: On Vallesia glabra. General distribution: Till now known only from the

Galapagos Islands.

14. Amblyseius incognitus Schuster 1966

Pac. Ins. 8 (2), p. 334, pl. VII, figs. 7-11. Santa Cruz - Bahia Academy: In Ramalina sp. Pinz6n - 300 m: Lichen on lava and Croton stems. General distribution: Till now known only from the

Galapagos Islands.

15. Amblyseius tubus Schuster 1966

Pac. Ins. 8 (2), p. 337, pl. IX, figs. 10-14. Santa Cruz - Bahia Academy: On Tournefortia sp. General distribution: Till now known only from the

Galapagos Islands.

16. Amblyseius spec. nr. spinigerus Chant & Baker 1965

Schuster 1966, p. 337, figs. 1-3. Fernandina - Punta Espinosa: in debris of a penguin's

nest. General distribution: A. spinigerus occurring in Central

America.

Genus: Pennaseius

17. Pennaseius rhabdifer (De Leon 1965)

Ent. News 76, p. 15, fig. (Phytoseius rhabdifer).

Pennaseius rhabdifer: Schuster 1966, p. 339, pl. VIII, figs. 6-13.

Santa Cruz - Bahia Academy: On Cordia httea and Hibiscus tiliaceus; Southern part, near Bella Vista: on Castela sp.

General distribution: Central America (Trinidad), Galapagos Islands.

Suborder: U r o p o d i n a

Superfamily: Uropodoidea

Family: Uropodidae

Subfamily: Uropodinae

Genus: Trichouropoda

18. Trichouropoda galapagosensis Hirschmann & Wis- niewski 1988

Acarologie 35, p. 35, figs. p. 37, 38. Santa Cruz - Bahia Academy. San Crist6bal- Near El Progreso: leaf litter under

Eugenia jambos. Isabela Sur, V. Sierra Negra - Near Santo Tomfis: in

mixed forest litter. General distribution: Peru, Ga!apagos.

19. Trichouropoda rackae Hirschmann 1975

Acarologie 21, p. 10, figs. Ta. 1/2, 9. Trichouropoda rackae: Hirschmann & Wisniewski 1987,

p. 26, figs. p. 27. Isabela Sur, V. Sierra Negra - Near Santo Tomfis: at

Cueva Sucre, burned trees. General distribution: Central America (Dominica) and

South America, Galapagos.

Subfamily: Uroactiniinae

Genus: Uroactinia

20. Uroactinia galapagosensis Hirschmann 1990

Acarologie 37, p. 36, figs. p. 37. Santa Cruz - Near Bellavista: from fallen Avocado and

Guayaba fruits. General distribution: Till now known only from the

Galapagos Islands.

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Order: I x o d i d a

Superfamily: Ixodoidea

Family: Ixodidae

Genus: Amblyomma

21. Amblyomma boulengeri Hirst & Hirst 1910

Ann. Mag. Nat. Hist. ser. 8, 6 (33), p. 301, figs. 3-4. Santa F6: On Tropidurus barringtonensis; on Co-

nolophus pallidus. Espafiola: On Tropidurus delanonis. General distribution: Till now known only from the

Galapagos Islands.

22. Amblyomma darwini darwini Hirst & Hirst 1910

Ann. Mag. Nat. Hist. ser. 8, 6 (33), p. 299, figs. 1, 2 (Amblyomma darwini).

Amblyomma darwini darwini: Schulze-Rostock 1936, p. 156, figs. a, d.

Santa Cruz - Bahfa Academy: On Amblyrhynchus cristatus.

Eden island: On Tropidurus sp. Baltra: On Amblyrhynchus cristatus. Plaza Sur: OnAmblyrhynchus cristatus. Espafiola - Punta Sufirez: OnAmblyrhynchus cristatus. Rfibida: OnAmblyrhynchus cristatus. Genovesa - Bahia Darwin: OnAmblyrhynchus cristatus. Marchena: On Amblyrhynchus cristatus. Isabela Norte - Punta Vicente Roca; Punta Albemarle:

On Amblyrhynchus cristatus; Punta Garcfa: On Conolophus subcristatus.

Fernandina - Punta Espinosa: On Amblyrhynchus cristatus; on Conolophus subcdstatus; on Tropidurus albemarlensis.

General distribution: Galapagos Islands, St. Paul Rock, Atlantic Ocean: on birds (Schulze-Rostock 1936: 156).

23. Amblyomma darwini wollebaecki Schulze-Rostock 1936

Medd. Zool. Mus. Oslo, 45, p. 157, figs. b, c, e. Santa Cruz: OnAmblyrhynchus cristatus. Floreana (Santa Maria) - Post Office Bay: On Tringa

?soh" taria. General distribution: Till now known only from the

Galapagos Islands.

24. Amblyomma macfarlandi Keirans, Hoogstraal & Clifford 1973

Ann. Entomol. Soc. Am. 66(3), p. 677, figs. 21-40. Santa Cruz - Southern side (Tortoise reserve): On

Geochelone elephantopus ported. Pinta: On Geochelone elephantopus abingdoni. Isabela Norte - Caleta Tagus: On Geochelone elephan-

topus ssp. Isabela Sur, V. Cerro Azul; Iguana Cove: On

Geochelone elephantopus vicina. Isabela: On Geochelone elephantopus ssp. General distribution: Till now known only from the

Galapagos Islands.

25. Amblyomma pilosum Neumann 1899

Mem. Soc. Zool. France, p. 209. Amblyomma hirtum: Neumann 1906, p. 201. Amblyomma hirtum: Schulze-Rostock 1936, p. 156. Amblyomma pilosum: Keirans, Hoogstraal & Clifford

1973, p. 683, figs. 41-60. Pinz6n: On Geochelone elephantopus ephippium. Santiago - Eastern and Southern slopes: on Geochelone

elephantopus darwini. Isabela: On Geochelone elephantopus sspp. (Banks 1902,

p. 70), also on vegetation. Fernandina: On Geochelone elephantopus phantastica. General distribution: Till now known only from the

Galapagos Islands. M. hirtum (A. darwini?) also reported from St. Paul rock,

Atlantic ocean: on birds (Schulze-Rostock 1936, p. 156).

26. Amblyomma usingeri Keirans, Hoogstraal & Clif- ford 1973

Ann. Entomol. Soc. Am. 66 (3), p. 673, figs. 1-20. Pinz6n: On Geochelone elephantopus ephippium. Isabela Norte, V. Wolf: On Geochelone elephantopus

becki; on Conolophus subcristatus. Isabela Norte, V. Darwin: On Geochelone elephantopus

microphyes. Isabela Norte, V. Alcedo: On Geochelone elephantopus

vandenburghi. Fernandina - Western side: On Conolophus sttbcris-

tatus. General distribution: Till now known only from the

Galapagos Islands.

27. Amblyomma williamsi Banks 1924

Zoologica 5 (9), p. 94, fig. 16. Baltra: On Conolophus sp.

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Isabela Norte - Punta Albemarle: On Amblyrhynchus cristatus; Punta Garcfa: On Conolophus subcris- tams.


Genus: Boophilus

28. Boophilus microplus (Canestrini 1888)

Att. Soc. Ven.-Trent. Sci. Nat. Padova 11(1), p. 104, pl. IX, fig. 3 (Haematophysalis micropla).

Uroboophilus cyclops Minning 1934, p. 35: Schulze-Ros- tock 1936, p. 158.

Santa Cruz - Highland: On cattle. Floreana (Santa Maria) - Post Office Bay: On feral

cattle. General distribution: A widespread tropicopolitan

bovid tick found abundantly.

Genus: Dermacentor

29. Dermacentor nitens Neumann 1897

Mem. Soc. Zool. France 10, p. 376, fig. 28. Santa Cruz - Near Bellavista: found in the ear of a

horse. General distribution: Widely distributed; from

Southern Texas and Florida to Bolivia and Brasil; Central America (Jamaica); Galapagos.

Genus: lxodes

30. Ixodes galapagoensis Clifford & Hoogstraal 1980

Proc. Entomol. Soc. Wash. 82 (3), p. 378, figs. 1-14. Santa F6: On Oryzomys baud. General distribution: Till now known only from the

Galapagos Islands.

Genus: Rhipicephahts

31. Rhipicephahts sanguhwus Neumann 1905

Arch. Parasitol. 9, p. 109. Isabela Sur - Puerto Villamil: On a dog (Keirans, in litt.). General distribution: Circumtropical (?).

Family: Argasidae

Genus: Argas

32. Argas (Microargas) transversus Banks 1902

Proc. Wash. Acad. Sci. 4, p.70, pl. 11, fig. 9 (Argas transversa).

Argas (M.) transversus: Hoogstraal & Kohls 1966, p. 248.

Argas (M.) transversus: Hoogstraal, Clifford & Keirans 1973, p. 727, figs. 1-16.

Santa Cruz: On Geochelone elephantopusported. Isabela Norte - Caleta Tagus: On vegetation. Isabela Norte, V. Alcedo: On Geochelone elephantopus

vandenburghi. General distribution: Till now known only from the

Galapagos Islands. A. (M.) transversus was collected from 5 subspecies of

G. elephantopus on 4 islands of the Galapagos Archipelago by Craig MacFarland (unpub.). This tick seems to be a specific parasite of the giant tortoise from the Galapagos Islands (Hoogstraal et al. 1973: p. 727).

Genus: Ornithodoros

33. Ornithodoros (Alectorobhts) darwini Kohls, Clif- ford & Hoogstraal 1969

J. Med. Entomol. 6 (1), p. 75, figs. 1, 2 (Ornithodoros darwinO.

Ornithodoros (A.) darwini: Keirans, Clifford & Hoogstraal 1980, p. 427, figs. 1-15, 31, 32.

Santa Cruz: On Amblyrhynchus ctistatus. Plaza Sur: On Amblyrhynchus cristatus; on Conolophus

subcristatus. Santa F6: On Conolophus pallidus; in nests of C. pal-

lidus. Espafiola - Punta Sufirez: On Amblyrhynchus cristatus;

in roosts of A. cristatus. Fernandina - Crater rim: Larva on vegetation. General distribution: Till now known only from the

Galapagos Islands.

34. Omithodoros (Alectorobhts ) galapagens& Kohls, Clifford & Hoogstraal 1969

J. Med. Entomol. 6 (1), p. 76, figs. 3,4 (Ornithodoros galapagensis).

Ornithodoros (A.) galapagensis: Keirans, Clifford & Hoogstraal 1980, p. 429, figs. 16-30, 33, 34.

Santa Cruz: OnAmblyrhynchus cristatus; on Tropidarus albemarlensis.

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Plaza Sur: On Conolophus subcristatus; on Amblyr- hynchus cristatus.

Santa F6: On Conolophus pallidus. Espafiola - Punta Sutirez: OnArnblyrhynchus cristatus. Genovesa - Bahia Darwin: On Amblyrhynchus cristatus. Isabela Norte - Punta Vicente Roca; Punta Albemarle:

On Amblyrhynchus cristatus. Fernandina - Punta Espinosa: On Arnblyrhynchus cris-

tatus; on Tropidurus albemarlensis; Larva on Geospiza fuliginosa, picking at skin of marine iguana.


35. Ornithodoros (Alectorobius ) yunked Keirans, Clif- ford & Hoogstraai 1984

J. Med. Entomol. 21 (3), p. 344, figs. 1-18. Ornithodoros talaje (Guerin-Meneville 1849): Banks

1924, p. 95. Ornithodoros talaje capensis Neumann 1901: Schulze-

Rostock 1936, p. 155. Ornithodoros spec. hr. denmarki: Kohls, Clifford &

Hoogstraal 1969, p. 75. Plaza Sur; Seymour Norte; Daphne Mayor; Espafiola;

Genovesa; Isabela Norte - Punta Vicente Roca; Fernandina - Punta Espinosa.

It is reasonable to assume that every seabird colony in the Galapagos Islands is infested with this species.

Hosts: Found on all occurring species of sea birds (Rice 1977, Keirans et al. 1984).


Cohort: ACARIFORMES

Order: Ac t i n e d i d a

Suborder: E u p o d i n a

Superfamily: Halacaroidea

Family: Halacaridae

Subfamily: Rhombognathinae

Genus: Rhombognathus

36. Rhombognathus robustus Bartseh 1977

Mikrofauna Meeresboden 68, p. 7 (445), figs. 2-15. Santa Cruz - Bahia Academy; Bahia Tortuga. Fernandina - Cabo Douglas; Punta Espinosa. General distribution: Till now known only from the

Galapagos Islands.

37. Rhombognathus longiscutatus Bartsch 1977

Mikrofauna Meeresboden 68, p. 9 (447), figs. 16-23. Santa Cruz - Bahia Academy. General distribution: Till now known only from the

Galapagos Islands.

38. Rhombognathus semireticulatus Bartsch 1977

Mikrofauna Meeresboden 68, p. 11 (449), figs. 24-36. Santa Cruz - Beaches of Northern part, W of Bahia

Borrero; Playa Borrero; Bahia Academy. Espafiola - Bahia Gardner. Isabela Norte - Caleta Black; beach W Punta A1-

bemarle. Fernandina - Cabo Hammond; Cabo Douglas; Punta

Espinosa. General distribution: Till now known only from the

Galapagos Islands.

39. Rhombognathus ellipticus Bartsch 1977

Mikrofauna Meeresboden 68, p. 13 (451), figs. 37-48. Santa Cruz - Bahia Academy. Isabela Norte - Caleta Tagus. General distribution: Till now known only from the

Galapagos Islands.

40. Rhombognathus similis Bartsch 1977


Galapagos Islands.

41. Rhombognathus heterosetosus Bartsch 1977


Galapagos Islands.

42. Rhombognathus spee.

Bartsch 1977, p. 20 (458); larva and tritonymph. Santa Cruz - Bahia Academy.

Genus: Isobactrus

43. [sobactrus asper Bartsch 1977


Galapagos Islands.

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Subfamily: Actacarinae

Genus: Actacarus

44. Actacarus mollis Bartsch 1977

Mikrofauna Meeresboden 68, p. 22 (460), figs. 82-97. Santa Cruz - Beaches of Northern part, W of Bahia

Borrero; Playa Borrero; Bahia Academy; Bahia Tortuga.

Baltra - Beaches of harbour, and N of harbour, Santa F6 - Beaches of Northeastern part. San Crist6bal - Bahia Wreck; Punta Bassa. Espafiola - Punta Sufirez; Bahia Gardner. Floreana (Santa Maria) - Black Beach; Punta Cor-

mor~in. R~ibida - Beach of Northern part near lagoon. Santiago - Bahia James, Puerto Egas. Marchena - Beach of Southwestern part. Pinta - Beach of Southwestern part. Isabela Norte - Bahia Urbina; Caleta Tagus; Caleta

Black. Fernandina - Cabo Hammond; Cabo Douglas; Punta

Espinosa. General distribution: Till now known only from the

Galapagos Islands.

45. Actacarus uniscutatus Bartsch 1977

Mikrofauna Meeresboden 68, p. 25 (463), figs. 98-106. Santa Cruz - Northern part, Playa Borrero; Bahia

Academy. Isabela Norte - Puerto Bravo; beach W Punta AI-

bemarle. Fernandina - Cabo Hammond; Cabo Douglas. General distribution: Known from the Galapagos and

Hawaii islands (Bartsch 1988).

46. Actacarus hastatus Bartsch 1977

Mikrofauna Meeresboden 68, p. 27 (465), figs. 107-117. Santa F6 - Beach of Northeastern part. General distribution: Till now known only from the

Galapagos Islands.

Subfamily: Halacarinae

Genus: Copidognathus

47. Copidognathus lineatus Bartsch 1977

Mikrofauna Meeresboden 68, p. 29 (467), figs. 118-129. Santa Cruz - Punta Nufiez; Bahia Academy. Fernandina - Cabo Douglas.


48. Copidognathus gibboides Bartsch 1977

Mikrofauna Meeresboden 68, p. 32 (470), figs. 130-139. Santa Cruz - Bahia Academy. Santa F6 - Beach of Northeastern part. General distribution: Till now known only from the

Galapagos Islands.

49. Copidognathus pauciporus Bartsch 1977

Mikrofauna Meeresboden 68, p. 34 (472), figs. 140-148. Santa Cruz - Bahia Academy. Isabela Norte - Puerto Bravo. General distribution: Till now known only from the

Galapagos Islands.

50. Copidognathus lepidus Bartsch 1977

Mikrofauna Meeresboden 68, p. 36 (474), figs. 149-154. Santa Cruz - Bahia Academy. Santa F6 - Beach of Northeastern part. Santiago - Bahia James, Puerto Egas. General distribution: Till now known only from the

Galapagos Islands.

51. Copidognathus scitus Bartsch 1977


Galapagos Islands.

52. Copidognathus bairdi bairdi NeweU 1947

Bull. Bingham oceanogr. Coll. 10 (1), p. 145, figs. 224- 234 (Copidognathus bairdi).

Copidognathus bairdi bairdi: Bartsch 1977, p. 42 (480), fig. 165.

Genovesa - Bahia Darwin, landing beach. General distribution: Eastern coast of North America,

Florida; Galapagos.

53. Copidognathus grandicuhls Bartseh 1977

Mikrofauna Meeresboden 68, p. 42 (480), figs. 166-177. Santa Cruz - Bahia Academy; Bahia Tortuga. General distribution: Till now known only from the

Galapagos Islands.

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54. Copidognathus tuberipes Bartsch 1977

Mikrofauna Meeresboden 68, p.46 (484), figs. 178-192. Isabela Norte - Caleta Black. General distribution: Till now known only from the

Galapagos Islands.

55. Copidognathus peregrinus Bartsch 1977

Mikrofauna Meeresboden 68, p. 49 (487), figs. 193-204. Santa Cruz - Bahia Academy; Bahia Tortuga. Espafiola - Bahia Gardner. Genovesa - Bahia Darwin, lagoon. Fernandina - Punta Espinosa. General distribution: Till now known only from the

Galapagos Islands.

56. Copidognathus gracilis (Viets 1936)

Zool. Jahrb. Syst. 67, p. 409, figs. 31-35 (Copidognathop- sis gracilis ).

Copidognathus gracilis: Newell 1947, p. 160, figs. 254- 256.

Copidognathus gracilis: Bartsch 1977, p. 52 (490), figs. 205-207.

Santa Cruz - Bahia Academy. General distribution: Eastern coast of North America,

Florida; Curaqao.

57. Copidognathus guttatus Bartsch 1977

Mikrofauna Meeresboden 68, p. 53 (491), figs. 208-218. Santa Cruz - Bahia Academy. Santa F6 - Beach of Northeastern part. San Crist6bal - Punta Bassa. Espafiola - Bahia Gardner. Floreana (Santa Maria) - Punta Cormorfin. Marchena - Beach of Southwestern part. General distribution: Till now known only from the

Galapagos Islands.

58. Copidognathus tenuirostris Bartsch 1977

Mikrofauna Meeresboden 68, p. 56 (494), figs. 219-231. Santa Cruz - Bahia Academy. Isabela Norte - Beach W Punta Albemarle. Fernandina - Cabo Douglas; Punta Espinosa. General distribution: Till now known only from the

Galapagos Islands.

59. Copidognathus sp. A

Bartsch 1977, p. 59 (497), figs. 232, 233. Pinta - Beach of Southwestern part. Santiago - Bahia James, Puerto Egas.

Genus: Arhodeoporus

60. Arhodeoporus bonairensis (Viets 1936)

Zool. Jahrb. Syst. 67, p. 415, figs. 41-44 (Copidognathop- sis bonairensis).

Copidognathus bonairensis: Newell 1947, p. 172, figs. 291, 292.

Arhodeoporus bonairensis: Bartsch 1977, p. 60 (498), figs. 234-241.

Santa Cruz - Bahia Academy. General distribution: Eastern coast of North America,

Florida; Bonaire.

61. Arhodeoporus bucculentus Bartseh 1977

Mikrofauna Meeresboden 68, p. 61 (499), figs. 242-254. Santa Cruz - Bahia Academy. Isabela Norte - Puerto Bravo. General distribution: Till now known only from the

Galapagos Islands.

Genus: Agauopsis

62. Agauopsis omata (Lohmann 1893)

Erg. Atl. Ozean. Planktonexp. Humboldt-Stift 2, p. 86, Taf. XI, figs. 3,4 (Agaue ornata).

Agauopsis ornata: Bartsch 1977, p. 64 (502), figs. 255- 269.

Santa Cruz - Northern part, Playa Borrero; Bahia Academy.

Santa F6 - Beach of Northeastern part. Santiago - Bahia James, Puerto Egas. Genovesa - Bahia Darwin, landing beach. Fernandina - Cabo Hammond. General distribution: African Atlantic and Eastern

American Atlantic coasts.

63. Agauopsis denticulata Bartsch 1977

Mikrofauna Meeresboden 68, p. 67 (505), figs. 270-287 (Agauopsis denticulatus).

Santa Cruz - Bahia Academy. General distribution: Till now known only from the

Galapagos Islands.

64. Agauopsis sp.

Bartsch 1977, p. 70 (508). Santa Cruz - Bahia Academy,

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Genus: Atelopsalis

65. Atelopsalis aliger Bartsch 1977


Galapagos Islands.

Subfamily: Acarochelopodinae

Genus: Acarochelopodia

66. Acarochelopodia aduncispina Bartsch 1977

Mikrofauna Meeresboden 68, p. 73 (511), figs. 298-309. Santa Cruz - Northern part, Playa Borrero. San Crist6bal - Bahia Wreck. Bartolom6 - Beach of Northern part. General distribution: Till now known only from the

Galapagos Islands.

67. Acarochelopodia cuneifera Bartsch 1977

Mikrofauna Meeresboden 68, p. 76 (514), figs. 310-327. Santa Cruz - Northern part, Playa Borrero; Punta

Nufiez; Bahia Academy. Santa F6 - Beach of Northeastern part. Espafiola - Bahia Gardner. Floreana (Santa Maria) - Punta Cormorfin. Santiago - Bahia James, Puerto Egas. Bartolom6 - Beach of Northern part. Genovesa - Bahia Darwin, landing beach. Marchena - Beach of Southwestern part. Fernandina - Cabo Douglas. General distribution: Till now known only from the

Galapagos Islands.

Subfamily: Lohmannelinae

Genus: Scaptognathus

68. Scaptognathus pauciporus Bartsch 1977

Mikrofauna Meeresboden 68, p. 79 (517), figs. 328-342. Santa Cruz - Northern part, Playa Borrero; Bahia

Academy. Santa F6 - Beach of Northeastern part. San Crist6bal - Punta Bassa. Floreana (Santa Maria) - Punta Cormorfin. Genovesa - Bahia Darwin, landing beach. Isabela Norte - Caleta Tagus. Fernandina - Cabo Douglas; Punta Espinosa. General distribution: Till now known only from the

Galapagos Islands.

69. Scaptognathus gibbosus Bartseh 1977

Mikrofauna Meeresboden 68, p. 82 (520), figs. 343-356. Santa Cruz - Northern part, Playa Borrero. Bartolom6 - Beach of Northern part. General distribution: Till now known only from the

Galapagos Islands.

Genus: Scaptognathides

70. Scaptognathides bicomis Bartsch 1977

Mikrofauna Meeresboden 68, p. 85 (523), figs. 357-370. Santa Cruz - Beaches of Northern part, W of Bahia Bor-

rero; Playa Borrero; Bahia Academy. Santa F6 - Beach of Northeastern part. San Crist6bal - Bahia Wreck. Floreana (Santa Maria) - Punta Cormor~n. Santiago - Bahia James, Puerto Egas. Bartolom6 - Beach of Northern part. Marchena - Beach of Southwestern part. General distribution: Till now known only from the

Galapagos Islands.

Subfamily: Simognathinae

Genus: Simognathus

71. Simognathus similis Bartsch 1977

Mikrofauna Meeresboden 68, p. 87 (525), figs. 371-381. Santa Cruz - Bahia Academy; Bahia Tortuga. San Crist6bal - Punta Bassa. General distribution: Till now known only from the

Galapagos Islands.

72. Simognathus disparilis Bartsch 1977


Galapagos Islands.

Genus: Acaromantis

73. Acaromantis subasper Bartsch 1977

Mikrofauna Meeresboden 68, p. 92 (530), figs. 397-410. Santa Cruz - Bahia Academy. Santa F6 - Beach of Northeastern part. San Crist6bal - Bahia Wreck; Punta Bassa. Espafiola - Bahia Gardner. General distribution: Till now known only from the

Galapagos Islands.

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74. Acaromantis fastigatus Bartseh 1977

Mikrofauna Meeresboden 68, p. 94 (532), figs. 411-418. Santa Cruz - Bahia Academy. Santa F6 - Beach of Northeastern part. General distribution: Till now known only from the

Galapagos Islands.

75. Acaromantis armatus Bartsch 1977

Mikrofauna Meeresboden 68, p. 96 (534), figs. 419-429. Santa Cruz - Bahia Academy. Espafiola - Bahia Gardner. Isabela Norte - Caleta Tagus. Fernandina - Punta Espinosa. General distribution: Till now known only from the

Galapagos Islands.

76. Acaromantis punctuhts Bartsch 1977


Galapagos Islands.

77. Acaromantis grandiculus Bartsch 1977

Mikrofauna Meeresboden 68, p. 100 (538), figs. 437- 444.

San Crist6bal - Punta Bassa. General distribution: Till now known only from the

Galapagos Islands.

Suborder: P a r a s i t e n g o n a

Superfamily: Erythraeoidea

Family: Erythraeidae

Genus: Erythraeus

78. Erythraeus remotus Banks 1924

Zoologica 5 (9), p. 93, fig. 15. Santa Cruz: Under leaves on beach. General distribution: Till now known only from the

Galapagos Islands.

Genus: Atomus

79. Atomus sp.

Genovesa: ?free living (Banks 1924, p. 94).

Superfamily: Trombidioidea

Family: Trombiculidae

Genus: Vatacarus

80. Vatacarus (Iguanacarus) amblyrhynchus Vercam- men-Grandjean 1965

Acarologia 7 fasc. suppl., p. 269, PI. A, figs. 1-6. Santa Cruz: In nasal fossae ofAmblyrhynchus cristatus. General distribution: Till now known only from the

Galapagos Islands.

81. Vatacarus ([guanacarus) intranasalis Vercammen- Grandjean 1965

Acarologia 7 fasc. suppl., p. 272, P1. I3, figs. 1-6. Santa Cruz: In nasal fossae ofAmblyrhynchus cristatus. General distribution: Till now known only from the

Galapagos Islands.

82. Vatacarus (Iguanacarus) intermedius Vercammen- Grandjean & Watkins 1965

Acarologia 7 fasc. suppl., p. 275, fig. 6. Santa Cruz: In nasal fossae ofAmblyrhynchus cristatus. General distribution: Till now known only from the

Galapagos Islands.

Suborder: E I e u t h e r e n g o n a

Superfamily: Raphignathoidea

Family: Xenocaligonellidae

Genus: Xenocaligonellidus

83. Xenocaligonellidus galapagus Gonzalez 1978

Proc. Entomol. Soc. Wash. 80 (2), p. 193, figs. 1-6. Wenman island: On unknown plant. General distribution: Till now known only from the

Galapagos Islands.

Superfamily: Eriophyoidea

Family: Eriophyidae

Genus: Effophyes

84. Eriophyes konoi Keifer 1978

Eriophyid Studies C-15, U.S. Agric. Serv., p. 2, pl. 1. Santa Cruz - Bahia Academy: on Sporobolus virginicus.

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Superfamily: Tarsonemoidea

Family: Podapol ipidae

Genus: Podapolipoides

85. Podapolipoides sp.

Husband 1990, pp. 387, 389. Galapagos Islands: On Acrididae (Orthoptera).

Suborder: H e t e r o s t i g m a t a

Superfamily: Pygmephoroidea

Family: Scutacaridae

Genus: Scutacarus

86. Scutacarus longitarsus (Berlese 1905)

Redia 2, p. 237 (Disparipes longitarsus). Santa Cruz, Fern Sedge zone: In decayed fitter (Eber-

mann, in fitt.). General distribution: Europe, Asia, Africa, North

America, Galapagos.

Order: A s t i g m a t a

Suborder: A c a r i d i a

SuperfamiI~ Acaroidea

Family." Acaridae

Genus: 'Tyrophagus

87. Tyrophagus ? sp.

Tyrophagus sp.: Banks 1902, p. 70. Fernandina - Mangrove Point (Pltnta Espinosa ?): In orb

webs on lava fields.

Order: O r i b a t i d a

Suborder: E u p t y c t i m a

Superfamily: Phthiracaroidea

Family: Phthiracaridae

Genus: Notophthiracants

88. Notophthiracants schatzii Niedbala 1989

Bull. Pol. Acad. Sci., Biol. Ser. 37 (1-3), p. 75, figs. 1-7. Fernandina - Punta Espinosa: In mangrove litter. General distribution: Till now known only from the

Galapagos Islands.

Suborder: H o ! o s o m a t a

Superfamily: Hermannio idea

Family: Hermanni idae

Subfamily: Galapagacarinae

Genus: Galapagacarus

89. Galapagacants schatzi Balogh 1985

Opusc. Zool. 21, p. 31, figs. 1 A-F. Galapagacarus schatzi: Balogh & Balogh 1988, p. 73,

figs. 56 A-D. Santa Cruz - Bahia Academy: In mangrove litter. General distribution: Till now known only from the

Galapagos Islands.

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Banks, N. 1924. Arachnida of the Williams Galapagos expedition. Zoologica, N.Y.Zool.Soc. 5(9): 93-98.

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Bartsch, I. 1988. Arenicolous Halacaridae (Acari) in Hawaiian waters. Proc. Hawaiian Entom. Soc. 28: 213-228.

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Hirschmann, W. and J. Wisniewski. 1987. Gangsys- tematik der Parasitiformes Tell 496: Weltweite Revision der Ganggattung Trichouropoda Ber- lese 1916 - VI. Die longiseta:-Gruppe (Trichouropodini, Uropodinae). Acarologie, Niirnberg 34: 1-50.

Hirschmann, W. and J. Wisniewski. 1988. Gangsys- tematik der Parasitiformes Teil 501: Weltweite Revision der Ganggattung Trichouropoda Berlese 1916 - X. Die urosph,oidea-Gruppe (Trichouro- podini, Uropodinae). Acarologie, Ntirnberg 35: 29-59.

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Hoogstraal, H., C.M. Clifford and J.E. Keirans. 1973. Argas (Microargas) transversus (Ixodoidea: Ar- gasidae) of Galapagos giant tortoises: Description of the female and nymph. Ann. Entomol. Soc. Am. 66(4): 727-732.

Hoogstraal, H. and G.M. Kohls. 1966. Argas (Microar- gas) transversus Banks (new subgenus) (Ixodoidea, Argasidae). A diminutive parasite of the Galapagos giant tortoise: Redescription of the holotype male and description of the larva. Ann. Entomol. Soc. Am. 59(2): 247-252.

Husband, R.W. 1990. New species of Podapolipoides (Aeari: Podapolipidae), ectoparasites of grass- hoppers (Orthoptera: Acrididae) in Australia and New Zealand, with keys to world species. Ann. Entomol. Soc. Amer. 83: 371-393.

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Keirans, J.E., C.M. Clifford and H. Hoogstraal. 1980. Identity of the nymphs and adults of the Galapagos iguanid lizard parasites, Ornithodoros (Alectorobius) darwini and O. (A.) galapagensis (Ixodoidea: Argasidae). J. Med. Entomol. 17(5): 427-438.

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marine iguana in the Galapagos Islands, with a revision of the genus Vatacarus Southcott (Aearina, Trombiculidae). Acarologia 7 (fasc. suppl.): 266-274.

Vercammen-Grandjean, P.H. and S.G. Watkins. 1965. Vatacarus (Iguanacarus) intermedius. A third chig-

ger mite from the nasal fossae of the marine iguana in the Galapagos Islands (Acarina: Trom- biculidae). Acarologia 7 (fase. suppl): 275-279.

Woolley, T.A. 1988. Acaroiogy - Mites and human wel- fare. Wiley Interscience, New York, 484 pp.

Contribution No. 473 from the Charles Darwin Foundation for the Galapagos Islands.

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catalogue of known species of acari from the galapagos islands (ecuador, pacific ocean)

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