■ Taxonomic and Host Catalogue of the Tachinidae of America North of Mexico
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Genus Microphthalma Macquart, 1844

MICROPHTHALMA Macquart, 1844: 241 (also 1844: 84; also subsequently spelled Microphthalmia, in error). Type species: Microphthalma nigra Macquart, 1844 (= Tachina disjuncta Wiedemann, 1824), by original designation.
EUMICROPHTHALMA Townsend, 1915j: 97. Type species: Eumicrophthalma shannoni Townsend, 1915 (= Megaprosopus michiganensis Townsend, 1892), by original designation.

disjuncta (Wiedemann, 1824).– British Columbia to Ontario, all United States, Mexico, Guatemala (S&A, 1965), Québec (CNC).
– Tachina disjuncta Wiedemann, 1824: 45 (published as disiuncta, in error, and corrected to disjuncta by Wiedemann, 1830: 295; spelled distincta by Aldrich, 1926c: 1, 5, in error). Type data: holotype female (ZMUC). Type locality: North America.
– Miltogramma trifasciata Say, 1829: 174 (also published in LeConte, 1859: 365). Type data: type(s) (lost). Type locality: USA, Indiana.
– Microphthalma nigra Macquart, 1844: 242 (also 1844: 85). Type data: holotype female (MNHN). Type locality: North America (Philadelphia, Pennsylvania according to Townsend, 1931a: 97).
– Trixa apicalis Walker, 1849: 699. Type data: holotype male (BMNH). Type locality: unknown.
– Tachina trixoides Walker, 1849: 760. Type data: holotype male (BMNH). Type locality: USA, Georgia.

Hosts from Arnaud (1978: 380)*
Coleoptera, Scarabaeidae
Euetheola rugiceps (LeConte), Phyllophaga fervida (Fabricius), Phyllophaga spp., Scarabaeid spp. (including Cyclocephala immaculata (Olivier) or Phyllophaga spp.), Scarabaeid spp. (including Cyclocephala spp. and/or Phyllophaga spp.), Scarabaeid spp. (allied genera of Phyllophaga spp.)

michiganensis (Townsend, 1892).– Alberta, South Dakota to Québec, south to Iowa and Maryland, also New Mexico, Texas (S&A, 1965), New Brunswick (CNC).
– Megaprosopus michiganensis Townsend, 1892a: 111. Type data: holotype female (SEMK). Type locality: USA, Michigan, Constantine.
– Eumicrophthalma shannoni Townsend, 1915j: 98. Type data: holotype female (USNM). Type locality: USA, District of Columbia, Eastern Branch.
– Microphthalma phyllophagae Curran, 1925d: 16. Type data: holotype male (CNC). Type locality: Canada, Québec, Hemmingford.

Hosts from Arnaud (1978: 381)*
Coleoptera, Scarabaeidae
Phyllophaga anxia (LeConte), Phyllophaga fervida (Fabricius), Phyllophaga spp.

obsoleta (van der Wulp, 1890).– California to New Mexico, Mexico, Guatemala (S&A, 1965).
– Trixa obsoleta van der Wulp, 1890: 87. Type data: syntypes, 5 males and 1 female (BMNH). Type localities: Mexico, Guerrero (Omilteme at 8000 feet and Sierra de las Aguas Escondidas at 9500 feet).
– Microphthalma pruinosa Coquillett, 1902a: 200. Type data: holotype male (USNM). Type locality: USA, New Mexico, White Mountains, South Fork of Eagle Creek, 8000 feet.

Hosts from Arnaud (1978: 382)*
Coleoptera, Scarabaeidae
Phyllophaga spp.

ruficeps Aldrich, 1926.– Arizona, New Mexico, Kansas, Texas (S&A, 1965), Manitoba, South Carolina (CNC).
Microphthalma ruficeps Aldrich, 1926d: 6. Type data: holotype male (USNM). Type locality: USA, New Mexico, Animas Mountains, Wild Horse Canyon, 5000 feet.


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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