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

CEROMYA Robineau-Desvoidy, 1830: 86 (also subsequently spelled Ceromyia, unjustified emendation). Type species: Ceromya testacea Robineau-Desvoidy, 1830 (= Tachina bicolor Meigen, 1824), by subsequent designation of Coquillett, 1910b: 520 [Palearctic].
POLYCHAETONEURA Walton, 1914c: 90. Type species: Polychaetoneura elyii Walton, 1914, by original designation.
XANTHOACTIA Townsend, 1919c: 585. Type species: Lasioneura palloris Coquillett, 1895, by original designation.

americana (Townsend, 1892).– California, Arizona, Texas, Arkansas, Mississippi, Florida, Georgia, District of Columbia, Maryland, Michigan, Ontario, Québec, Vermont, New Hampshire, Nova Scotia (O'Hara, 1994).
– Thryptocera americana Townsend, 1892d: 69. Type data: holotype male [not female as published] (SEMK). Type locality: USA, District of Columbia, Washington.

Hosts from Arnaud (1978: 51), as Actia americana (Townsend)*
Lepidoptera, Notodontidae
Schizura concinna (J.E. Smith)

balli O'Hara, 1994.– Alberta, Manitoba, Michigan, Ontario, Québec, New Brunswick, New Hampshire, Maryland (O'Hara, 1994), Missouri (DEH).
– Ceromya balli O'Hara, 1994: 786. Type data: holotype male (CNC). Type locality: Canada, Québec, Gatineau County, Masham Township.

bicolor (Meigen, 1824).– Palearctic, Yukon, Northwest Territories, British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, Michigan, Nova Scotia, also Colorado, Kansas, and Virginia (O'Hara, 1994).
– Tachina bicolor Meigen, 1824: 354. Type data: holotype male (MNHN). Type locality: Germany (according to Townsend, 1932: 56, 1940: 200).

elyii (Walton, 1914).– Ontario, Québec, Maine, New Hampshire, Connecticut, Rhode Island, New York, Ohio, Mississippi, Florida (O'Hara, 1994).
– Polychaetoneura elyii Walton, 1914c: 91. Type data: lectotype female (USNM), by fixation of Townsend, 1940: 226 (mention of "Ht female" is regarded as a lectotype fixation). Type locality: USA, Connecticut, East River. Type host: Schizura concinna (J.E. Smith), Notodontidae.

flava O'Hara, 1994.– Québec, New Hampshire, Delaware, North Carolina (O'Hara, 1994).
– Ceromya flava O'Hara, 1994: 790. Type data: holotype male (CNC). Type locality: Canada, Québec, Gatineau County, Masham Township.

occidentalis O'Hara, 1994.– British Columbia, California (O'Hara, 1994).
– Ceromya occidentalis O'Hara, 1994: 793. Type data: holotype male (CNC). Type locality: Canada, British Columbia, near Terrace, Lakelse Lake bog.

ontario (Curran, 1933).– British Columbia, Alberta, Iowa, Michigan, Ontario, Québec, New York, Massachusetts, New Hampshire, North Carolina (O'Hara, 1994).
– Actia ontario Curran, 1933a: 4. Type data: holotype female (CNC). Type locality: Canada, Ontario, Lake of Bays, Norway Point.

Hosts from Arnaud (1978: 55), as Actia ontario Curran*
Lepidoptera, Geometridae
Ennomos subsignarius (Hübner)

oriens O'Hara, 1994.– Michigan, Ontario, Québec, New Brunswick, Nova Scotia, Maine, New Hampshire, Massachusetts, New York, North Carolina (O'Hara, 1994).
– Ceromya oriens O'Hara, 1994: 791. Type data: holotype male (CNC). Type locality: Canada, Québec, Gatineau County, Masham Township.

palloris (Coquillett, 1895).– British Columbia, Ontario, Michigan, Québec, New York, Vermont, New Hampshire, Maine, New Brunswick (O'Hara, 1994).
– Lasioneura palloris Coquillett, 1895c: 50. Type data: lectotype male [not female as cited by Townsend, 1940: 297] (USNM), by fixation of Coquillett, 1897: 58 (statement "From the type specimen" is regarded as a lectotype fixation). Type locality: USA, New Hampshire, White Mountains.

Hosts from Arnaud (1978: 55), as Actia palloris (Coquillett)*
Lepidoptera, Drepanidae
Drepana arcuata Walker, Drepana bilineata (Packard)
Hosts from Arnaud (1978: 55) for sp. near palloris (Coquillett), as Actia sp. near palloris (Coquillett)*
Lepidoptera, Geometridae
Ennomos subsignarius (Hübner), Eugonobapta nivosaria (Guenée)


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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