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Subfamily Asilinae

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The genus Mallophora and related Asilid genera
By Cole F.R., Pritchard A.E.
Univ. of Calif. Publications in Entomology 36: 43-100, 1964

New Ommatius with a Key to the Species (Diptera, Asilidae)
By Wilcox J
Bulletin of the Brooklyn Entomological Society, 31: 172-176, 1936

New Species of Ommatius from America, with Key (Asilidae, Diptera)
By Curran CH
American Museum Novitates, 327: 1-6, 1928

Review of the Genus Ommatius Wiedemann (Diptera: Asilidae) in Eastern United States with Descriptions of Five New Species
By Bullington SW and Lavigne RJ
Annals of the Entomological Society of America, Volume 77 (4): 372–392, 1984

The genus Diogmites (Robber Flies) in eastern United States (Diptera: Asilidae)
By Artigas J.N.
Ohio J. Sci. 66(4): 401-421, 1966
Full text
Nicely illustrated key, among other things.

Efferia Coquillett in America North of Mexico
By Wilcox, J.
Proceedings of the California Academy of Sciences, 4th series., 34:85-234, 1966

Robber Flies (Diptera: Asilidae) of the Yukon
By Robert A. Cannings
Royal British Columbia Museum, P.O. Box 9815, Stn. Prov. Govt. Victoria, British Columbia, Canada V8W 9W2, 1997
Available as PDF doc from U. of Alberta, giving species accounts of 20 species recorded in Yukon.

Originally published as pp. 637–662 in H.V. Danks and J.A. Downes (Eds.), Insects of the Yukon. Biological Survey of Canada (Terrestrial Arthropods), Ottawa. 1034 pp. 1997.

Robber flies of Utah (Diptera: Asilidae)
By Nelson C.R.
Western North American Naturalist 47: 38-90, 1987

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