Trichoptera: Limnephilidae of Gunnison County, ColoradoAmphicosmoecus canax(Ross, 1947)Updated 31 January 2026
TSN 116254 This is the only species in this genus. It is found in western and northern North America. It has two cases. One is a distinctive hollowed out twig with a few pieces of wood on the end, the other is built entirely from small pieces of wood. Good LinksOn this website:Limnephilidae Introduction Other Websites: Photos, Map, Taxon Identifier Numbers - from the Global Biodiversity Information Facility Amphicosmoecus canax at GBIF Photos, Map, Museum specimens, DNA - Barcodinglife.org Illustration - University of Alberta Entomology Collection Species page Has description, habitat information, range and more. ReferencesBlinn,DW and Ruiter,DE 2006Tolerance values of stream caddisflies (Trichoptera) in the lower Colorado river basin, USA. The Southwestern Naturalist 51(3):326-337. AbstractNimmo,AP 1965 A new species of Psychoglyha Ross from western Canada, with notes on several other species of Limnephilidae (Trichoptera). Canadian Journal of Zoology 43 (5): 781-787. Nimmo,AP 1971 The adult Rhyacophilidae and Limnephilidae (Trichoptera) of Alberta and Eastern British Colombia and their post-glacial origin. Quaestiones Entomologicae 7:3-234. Ross,HH 1947 Descriptions and records of North American Trichoptera, with synoptic notes. Transactions of the American Entomological Society 73:105-124. Described as Dicosmoecus canax. Schmid,F 1955 Contribution à l'étude des Limnophilidae (Trichoptera). Mitteilungen der Schweizerischen Entomologischen Gesellschaft 28. Moved this species into the genus Amphicosmoecus. Zuellig,RE; Heinold,BD; Kondratieff,BC and Ruiter,DE 2012 Diversity and Distribution of Mayflies (Ephemeroptera), Stoneflies (Plecoptera), and Caddisflies (Trichoptera) of the South Platte River Basin, Colorado, Nebraska, and Wyoming, 1873-2010. U.S. Geological Survey Data Series 606, 257 p. PDF - caution 46MB Quote from page 82: "In the SPRB, this species occurred in small streams and headwater springs in the north western part of the basin. Few specimens, larvae or adults, were collected at any given location." The elevation range is 6,200-11,150 feet and the adults emerge from April-October. |