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Species Chrysopilus quadratus

Chrysopilus quadratus - male Snipe Fly - Chrysopilus quadratus Fly - Chrysopilus quadratus - female Snipe Fly - Chrysopilus quadratus Chrysopilus quadratus - male Chrysopilus quadratus - female Fly ID please... - Chrysopilus quadratus - female Pennsylvania Fly for ID - Chrysopilus quadratus - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Infraorder Tabanomorpha
Family Rhagionidae (Snipe Flies)
Genus Chrysopilus
Species quadratus (Chrysopilus quadratus)
Synonyms and other taxonomic changes
Leptis fumipennis
Chrysopilus dispar
Chrysopilus flavidus
Leptipalpus limbipennis
Leptipalpus obscuripennis
Explanation of Names
quadratus: from the Latin "quadrus" (a square); refers to the square or rectangular dark patch on the wing
body length 5-8 mm
Adult: thorax and abdomen variably black to brown to orangish; wings clear except for large square or rectangular dark patch midway along costa, and small round dark spot near base; eyes dark gray to reddish, very large, occupying almost the entire head; male abdomen slender, tapering to blunt tip; female abdomen wider, less tapered
all of United States and southern Canada: Newfoundland to Florida, west to California, north to British Columbia
Spring, summer. May-June (lower elevations in North Carolina), June-September (North Carolina mountains).
described by Thomas Say in 1823
the only species of Chrysopilus recorded in two southern Ontario surveys at Algonquin Provincial Park and the Bruce Peninsula
this species is pictured and identified in Stephen Marshall's book on Insects (1)
Print References
Marshall, p. 445--color photo (1)
Brimley, p. 330 (2)
Internet References
pinned adult image (Insects of Quebec)
pinned adult image (Insects of Cedar Creek, Minnesota)
distribution (The Diptera Site, US Dept. of Agriculture)
synonyms (National Benthic Inventory)
presence in Florida; PDF doc list (American Museum of Natural History)
presence in British Columbia; citation and meaning of specific epithet (U. of British Columbia)
Works Cited
1.Insects: Their Natural History And Diversity: With a Photographic Guide to Insects of Eastern North America
Stephen A. Marshall. 2006. Firefly Books Ltd.
2.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.