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Coelopidae - North+South America (in development)

Authors: Even Dankowicz

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Coelopidae

Often confused with Fucellia spp.

		Head	Scutum	Acrostichal hairs	Lateral thorax	Legs
Coelopina anomala	CA, MX	Reddish; vertex+occiput grey “pollinose”	Unusually convex	Sparse hairs, acrostichals in 3 separated, irregular rows	Anepimeron with many hairs, bristles, bare metasternal area	Yellowish brown
Coelopa spp.	Nearctic	Dark/grey	flattened	Many small hairs, acrostichals in ~20 dense, irregular rows	Posterior anepimeron bare, metasternal area haired	various

Coelopa

		wings	Male legs	Female legs
C. frigida	North Atlantic coastline (New England, Atlantic Provinces)	”First vein bare” (Aldrich 1929)	Male legs bristly or spiny	Reddish-yellow
C. vanduzeei	California, Oregon	?“First vein with a few hairs on apical part” (Aldrich 1929)	Male legs bristly or spiny, although middle tibiae pilose	Dark (?always)
C. stejnegeri	Far Northern Pacific coastline (‘Bering Sea region’)	?”First vein bare” (Aldrich 1929)	Male legs pilose, not bristly	Dark *see Aldrich 1929 for more characters
C. nebularum	Far Northern Pacific coastline (‘Bering Sea region’)	?”First vein bare” (Aldrich 1929)	Male legs bristly or spiny	Dark *see Aldrich 1929 for more characters

C. vanduzeei, CA, © Ron Matsumoto, iNaturalist / CC BY-NC

References

Sources for this entire project include:

References

Other sources consulted for this specific document include:

Aldrich, 1929. Revision of the two-winged flies of the genus Coelopa Meigen in North America. Proceedings U.S. National Museum. 76(11).
Cole. 1923. Expedition of the California Academy of Sciences to the Gulf of California in 1921. Diptera from the islands and adjacent shores of the Gulf of California. II. General report. Proc. Calif. Acad. Sci. 12(4): 457-481.
Mathis, McAlpine. 2011. Catalog and Conspectus on the Family Coelopidae (Diptera: Schizophora). Myia. 12: 171-205.