Plecoptera:Chloroperlidae of Gunnison County, Colorado
Alloperla severa (Hagen) 1861Western Sallfly
Updated 4 June 2009
Description
Adults are bright green, no abdominal stripe.
Life History
Adults emerge from May to September
Locations Collected
Widespread in Western North America, medium to small rivers.
Notes
The genus Alloperla was previously included in Perla. Older publications may refer to this species as Perla severa.
Links
On this website:
Key to Alloperla females
Key to Alloperla males
Comparison of the two local species of Alloperla
Alloperla pilosa
Other Websites:
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/287.htm
Alloperla sp. Adult Photo from the Tree of Life http://tolweb.org/tree/eukaryotes/animals/arthropoda/hexapoda/plecoptera/slideshows/pleco1/sld033.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.
"Discussion. - This species is common in creeks in the Rocky Mountain region. The adults emerge from May to September." Figure 484 Male terminalia, dorsal view, Figure 485 Male terminalia lateral view, Fihure 486 female terminalia ventral view on page 169.
Baumann,RW and Kondratieff, BC 2008 The Alloperla severa complex (Plecoptera: Chloroperlidae) of western North America. Illiesia 2008 4(6):66-75. Abstract PDF
Hagen,HA 1861 Synopsis of the Neuroptera of North America with a list of South American species. Smithsonian Miscellaneous Collections 4, 1-344.
Described as Perla severa. Hagen's Glossary (pdf)
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.
"Alloperla severa is a widespread western North American species that can be collected in small numbers from medium sized streams to small rivers in the mountain region of Colorado."
Lyon,ML; Stark,BP 1997 Alloperla (Plecoptera: Chloroperlidae) of western North America. Entomological News 108 5, 321-334.
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