Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Subfamily Usiinae

Another striped fly from Peters Canyon  - Apolysis Orange County Bee Fly Archives #262 - Small striped bee fly  - Apolysis Apolysis nectaring on Xylorhiza - Apolysis - male Fly - Apolysis small fly - Apolysis - female Apolysis?  - Apolysis Mating pair of Mating pair of
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Superfamily Asiloidea
Family Bombyliidae (Bee Flies)
Subfamily Usiinae
67 spp. in a single genus in our area, ~180 spp. in 3 genera worldwide(1)
Mostly holarctic; ~35 spp. Afrotropical(1)
Print References
Melander, M. F. (1946). Apolysis, Oligodranes, and Empidideicus in America. Ann. Entomol. Soc. Am. 39 451-495 (Full Text)
Evenhuis, N. L. (1983). Studies in New World Bombyliidae (Diptera). II. Notes on the genus Apolysis with descriptions of two new species. Int. J. Entomo. 25 310-315 (Full Text PDF)
Evenhuis, N. L. (1986). The genera of Phthiriinae of Australia and the New World. Published by the author, Honolulu. 57pp.
Evenhuis, N. L. (1990). Systematics and evolution of the genera of the subfamilies Usiinae and Phthiriinae of the world (Diptera: Bombyliidae). Entomonograph 11. 72 pp. (Full Text)