Ephemeroptera: Heptageniidae of Gunnison County, ColoradoHeptagenia solitaria (McDunnough) 1924Updated 8 July 2005
Locations CollectedGunnison River, Cimarron Creek, West Elk Creek, Cebolla Creek, Dry Gulch, Steuben Creek (Argyle and Edmunds, 1962).LinksOn this website:Heptagenia elegantula Other Websites: Map - Kondratieff, Boris C. (coordinator). 2000. Mayflies of the United States. Jamestown, ND: Northern Prairie Wildlife Research Center Online. (Version 12DEC2003). http://www.npwrc.usgs.gov/resource/distr/insects/mfly/usa/283.htm ReferencesArgyle,DW; Edmunds,GF 1962 Mayflies (Ephemeroptera) of the Curecanti Reservoir Basins Gunnison River, Colorado. University of Utah Anthropological Papers 59 8, 178-189.Quote from page 183: "This species was found distributed between 6760 and 7495 ft. elevation. It appears to be restricted to the river with a few ingresses into side streams and is most abundant in very rapid water riffles. The three streams in which it attains some elevation all have a high velocity." Bedarik,AF; Edmunds,GF 1980 Descriptions of larval Heptagenia from the Rocky Mountain region (Ephemeroptera: Heptageniidae). Pan-Pacific Entomologist 56, 51-62. McCafferty,WP; Durfee,RS; Kondratieff,BC 1993 Colorado mayflies (Ephemeroptera): an annotated inventory. Southwestern Naturalist 38 3, 252-274. Quote from page 260: "This is a common species in the Gunnison River system, and except for Larimer Co. records is found on the western slope. Also see remarks for H. elegantula above." McDunnough,J 1924 New Canadian Ephemeridae with notes, II. Canadian Entomologist 56, 90-98, 113-122, 128-133. Brown, Wendy S. 2004 Mayflies (Ephemeroptera) of Gunnison County, Colorado, USA
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