■ Taxonomic and Host Catalogue of the Tachinidae of America North of Mexico
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Genus Cyzenis Robineau-Desvoidy, 1863

CYZENIS Robineau-Desvoidy, 1863a: 544. Type species: Tachina albicans Fallén, 1810, by fixation of O'Hara & Wood (2004: 169) under Article 70.3.2 of ICZN (1999), misidentified as Phryno haemisphaerica Robineau-Desvoidy, 1830, in the original designation by Robineau-Desvoidy (1863a).
PSEUDODIDYMA Townsend, 1915d: 287. Type species: Pseudodidyma pullula Townsend, 1915, by original designation.

albicans (Fallén, 1810).– Europe, Japan; introduced and established in British Columbia, Washington, Nova Scotia, possibly Oregon (O'Hara & Cooper, 1992).
– Tachina albicans Fallén, 1810: 286. Type data: lectotype female (NHRS), by designation of O'Hara & Cooper, 1992: 792 (mention of "Ht" by Townsend, 1940: 208, is not a lectotype fixation because the specimen in question is not distinguishable from the other specimens in the type series). Type locality: Sweden, Skåne.

Hosts from Arnaud (1978: 174)*
Lepidoptera, Geometridae
Alsophila pometaria (Harris), Operophtera bruceata (Hulst), Operophtera brumata (Linnaeus)
Lepidoptera, Lasiocampidae
Malacosoma americanum (Fabricius), Pseudexentera improbana (Walker)

browni (Curran, 1933).– Ontario, Québec (O'Hara & Cooper, 1992), West Virginia, Virginia (WVU).
– Zenillia browni Curran, 1933b: 11. Type data: holotype female (AMNH). Type locality: Canada, Ontario, Temagami (published as Timagami, in error).

incrassata (Smith, 1912).– British Columbia, Washington, Idaho, Oregon, New Mexico (O'Hara & Cooper, 1992).
– Phorocera incrassatus Smith, 1912: 121. Type data: holotype female (USNM). Type locality: USA, Idaho, Harrison (not Moscow as published).
– Phorocera anassa Reinhard, 1959a: 160. Type data: holotype male (CNC). Type locality: USA, Idaho, Lake Waha.

Hosts from Arnaud (1978: 428), as "Phorocera" incrassata Smith*
Lepidoptera, Tortricidae
Choristoneura fumiferana (Clemens)

pullula (Townsend, 1915).– Alaska, British Columbia, Alberta, Washington, Oregon, Wyoming, Colorado, New Mexico, Ontario, Ohio, Québec, New Brunswick, Nova Scotia, Newfoundland (O'Hara & Cooper, 1992).
– Pseudodidyma pullula Townsend, 1915d: 288. Type data: holotype female (USNM). Type locality: USA, Alaska, Farragut Bay.

ustulata (Reinhard, 1959).– British Columbia, Washington, California, Utah, Alberta, Saskatchewan, Manitoba, Ontario, Michigan, Indiana, Tennessee, Québec, Nova Scotia, New York, New Jersey, Pennsylvania, Maryland (O'Hara & Cooper, 1992), West Virginia (WVU).
– Phorocera ustulata Reinhard, 1959a: 159. Type data: holotype male (CAS). Type locality: USA, California, Redwood City.

Cyzenis species

Hosts from Arnaud (1978: 175) for Cyzenis spp.*
Lepidoptera, Olethreutidae
Pseudexentera improbana oregonana (Walsingham)


Arnaud, P.H., Jr. 1978. A host-parasite catalog of North American Tachinidae (Diptera). United States Department of Agriculture. Miscellaneous Publication 1319: 1–860.

*Host names (family and species) have not been changed from those given in Arnaud (1978). Each host is listed under the appropriate current tachinid name, with the tachinid name used in Arnaud (1978) cited if different from the current one. For more information about Arnaud (1978), and to see a complete list of tachinid names used in that work and their modern equivalents, click here.

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