Plecoptera: Perlodidae of Gunnison County, Colorado
Isoperla mormona - Mormon Stripetail, Yellow Sally(Banks) 1920
Updated 25 August 2009
Habitat
Prefers warmer, lower elevation streams on the front range and plateau country of western Colorado (Kondratieff and Baumann 2003).
Links
On this website:
Isoperla Introduction
Key to Perlodidae Nymphs
Other Websites:
Hatch Chart for the Gunnison Gorge & Black Canyon from Cimarron Creek Guides in Montrose http://cimarroncreek.com/flyfishing/hatchchart.cfm
Map - Kondratieff, Boris C. and Richard W. Baumann (coordinators). 2000. Stoneflies of the United States. Jamestown, ND: Northern Prairie Wildlife Research Center Online. (Version 12DEC2003).
http://www.npwrc.usgs.gov/resource/distr/insects/sfly/usa/467.htm
References
Banks, N. 1920 New Neuropteroid insects. Bulletin of the Museum of Comparative Zoology. 64: 299-362.
Described as Isoperla mormona.
Baumann,RW; Gaufin,AR; Surdick,RF 1977 The stoneflies (Plecoptera) of the Rocky Mountains. Memoirs of the American Entomological Society 31, 1-208.
Quote from page 148: "This species is commonly found in creeks and rivers. The adults emerge from May to August. "
Kondratieff,BC; Baumann,RW 2002 A review of the stoneflies of Colorado with description of a new species of Capnia (Plecoptera: Capniidae). Transactions of American Entomological Society 128 3, 385-401.
Sandberg,JB; Stewart,KW 2003 Continued studies of drumming in North American Plecoptera; Evolutionary implications. In: Research Update on Ephemeroptera and Plecoptera. Ed: Gaino,E University of Perugia, Perugia, Italy, 73-81.
Has the sonogram of a female I. mormona early response to a male drumming call. These animals were from the Uncompahgre River near Montrose, Colorado.
Szczytko,SW; Stewart,KW 1979a The genus Isoperla (Plecoptera) of western North America; holomorphology and systematics, and a new stonefly genus Cascadoperla. Memoirs of the American Entomological Society 32, 1-120.
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