Plecoptera: Capniidae of Gunnison County, Colorado
Isocapnia crinita (Needham and Claassen) 1925
Hooked Snowfly
Updated 28 May 2005
Description
Rare, two of the three records of I. crinita are from Gunnison County (Nelson and Baumann, 1989).
Notes
The genus Isocapnia was previously included in Capnia. Older publications may refer to this species as Capnia crinita.
Links
On this website:
Isocapnia grandis
Introduction to Isocapnia
Other Websites:
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/sfly/usa/101.htm
References
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 78: "This rare species occurrs in both creeks and rivers. The adults emerge from March to May. " Illustrations include Figure 232, male terminalia, lateral view; Figure 233 male terminalia dorsal view on page 79.
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 390: "This rare species is presently known from only three localities in Colorado: Gunnison Co., Gunnison River, Gunnison, 18 April 1954, W.E. Ricker, 1 male,1 female (CNC); Routt Co., Yampa River, Hwy 40, eat of Hayden, 9 May 1997, R.W. Baumann, 1 micropterous male (BYU); Saguache Co., Tomichi Creek, Hwy 50, west of Sargents, 7 May 1992, R.W. Baumann, B.C. Kondratieff and J.T. Zenger, 3 micropterous male (CSU, BYU). "
Nelson,RC; Baumann,RW 1989 Systematics and distribution of the winter stonefly genus Capnia (Plecoptera: Capniidae) in North America. Great Basin Naturalist 49, 289-363.
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