■ Taxonomic and Host Catalogue of the Tachinidae of America North of Mexico
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Genus Thelaira Robineau-Desvoidy, 1830

THELAIRA Robineau-Desvoidy, 1830: 214 (also subsequently spelled Thelairia, in error). Type species: Thelaira abdominalis Robineau-Desvoidy, 1830 (= Musca solivaga Harris, 1780), by subsequent designation of Townsend, 1916e: 9 [Palearctic].

americana Brooks, 1945.– British Columbia to Nova Scotia, entire United States, Mexico (S&A, 1965).

– Thelaira americana Brooks, 1945a: 88. Type data: holotype male (CNC). Type locality: Canada, Québec, Alymer.

Hosts from Arnaud (1978: 489)*
Lepidoptera, Arctiidae
Diacrisia virginica (Fabricius), Estigmene acrea (Drury)

bryanti Curran, 1925.– Alaska, Alberta to California and Colorado (S&A, 1965), Yukon, Northwest Territories, British Columbia, Manitoba (CNC). [**Also recorded from Quebec, D.M. Wood, pers. comm.]
– Thelaira bryanti Curran, 1925c: 281. Type data: holotype male (CNC). Type locality: Canada, Alberta, Slave Lake.

Thelaira species

Hosts from Arnaud (1978: 489) for Thelaira spp.*
Lepidoptera, Arctiidae
Isia isabella (J.E. Smith), Turuptiana permaculata (Packard)
Lepidoptera, Pyralidae
Diaphania nitidalis (Stoll) probably


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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