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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » Orthorrhapha » Tabanomorpha » Snipe Flies (Rhagionidae) » Chrysopilus » Chrysopilus quadratus

Species Chrysopilus quadratus

Classification · Synonyms and other taxonomic changes · Explanation of Names · Size · Identification · Range · Season · Remarks · Print References · Internet References · Works Cited

Fly ID please... - Chrysopilus quadratus - female

Pennsylvania Fly for ID - Chrysopilus quadratus - female

Classification

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

Size

body length 5-8 mm

Identification

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

Range

all of United States and southern Canada: Newfoundland to Florida, west to California, north to British Columbia

Season

Spring, summer. May-June (lower elevations in North Carolina), June-September (North Carolina mountains).

Remarks

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.

Contributed by Robin McLeod on 16 October, 2006 - 1:07pm
Additional contributions by cotinis
Last updated 24 May, 2007 - 7:52pm

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