Plecoptera: Leuctridae of Gunnison County, Colorado
Perlomyia utahensis Utah Needlefly, Little Black NeedleflyNeedham and Claassen 1925
Updated 18 Nov 2018
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Species details from plecoptera.species.file
Photos and more from Troutnut
ReferencesBaumann,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 104: "This species inhabitats creeks and small rivers but is most common in springs. Emergence occurs from April through July. "
Needham,JG and Claassen,PW 1925 A Monograph of the Plecoptera of North America. Entomological Society of America, Lafayette, Indiana. 397 pages.
Nelson,CH and Hanson,JF 1973 The genus Perlomyia (Plecoptera: Leuctridae). Journal of the Kansas Entomological Society. 46: 187-199. Abstract
Stewart,KW and Ricker,WE 1997 The stoneflies of the Yukon. pgs 201-222 in Danks,HV and Downes,JA (Eds.), Insects of the Yukon. Biological Survey of Canada (Terrestrial Arthropods), Ottawa. 1034 pp.
Quote from page 209 about the genus Perlomyia: "Western Nearctic; 2 species distributed from Alaska and Yukon south to California and New Mexico. Adults dark, 7-12mm, emerging March-June depending on elevation and latitude. Found primarily in springs or spring-fed small streams. Nymphal biology largely unknown. "
Brown,WS 2009 Stoneflies (Plecoptera) of Gunnison County, Colorado, USA