Stoneflies - Plecoptera: Perlodidae of Gunnison County, ColoradoIsoperla mormona
Mormon Stripetail, Yellow Sally, Western Yellow Sally(Banks) 1920
Updated 24 Jan 2012
TSN 103007
Habitat
Prefers warmer, lower elevation streams on the front range and plateau country of western Colorado (Kondratieff and Baumann 2003).
Good 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 and 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.
Quote from page 396: "This small yellow Isoperla apparently prefers warmer lower elevation streams (Knight and Gaufin, 1966) along the lower protion of the Front Range and Plateau regions of Colorado."
Needham,JG and Claassen,PW 1925 A Monograph of the Plecoptera of North America. Entomological Society of America, Lafayette, Indiana. 397 pages.
Described as Isoperla marmona
Sandberg,JB 2011 Vibrational communication of Isoperla Banks from California and Oregon (Plecoptera: Perlodidae). Illiesia 2011 7(1):1-23. PDF
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.
Szczytko,SW and Stewart,KW 1979c Drumming behavior of four Western Nearctic Isoperla (Plecoptera) species. Annals of the Entomological Society of America 72(6)781-786.
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