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Trichoptera: Limnephilidae of Gunnison County, Colorado

Lenarchus brevipennis

(Banks, 1899)
Updated 22 February 2026
TSN 116368

This species has not been reported from our county yet.

Good Links

On this website:
Introduction to Lenarchus

Other Websites:
Photos, Map, Taxon Identifier Numbers - from the Global Biodiversity Information Facility Lenarchus brevipennis at GBIF

Photos, Map, Museum specimens, DNA - Barcodinglife.org

Description - University of Alberta Entomology Collection Species page
     Has a description, habitat information, range and more.

References

Al Mousa,MDA; Nachappa,P; Ruiter,DE; Givens,DR and Fairchild,MP 2022 Caddisflies (Insecta: Trichoptera) of montane and alpine lakes of northern Colorado (USA). Western North American Naturalist, 82(3), pp.563-576. PDF
     Quote from page 571: "A few western Nearctic limnephilids were recorded infrequently or have not been observed in recent years based on the material we examined. Lenarchus (Paralenarchus) brevipennis (Banks, 1899) was collected in 2019 near Twin Lake in Larimer County."

Banks,N 1899 Descriptions of new North American neuropteroid insects. Transactions of the American Entomological Society 25:199-218. PDF
     Described on page 209 as Stenophylax brevipennis.
Description of Lenarchus brevipennis

Ross,HH and Merkley,DR 1952 An annotated key to the nearctic males of Limnephilus (Trichoptera, Limnephilidae). American Midland Naturalist 47:435-455.
     Has keys to identify North American adults.

Schmid,F 1952 Le group de Lenarchus Mart. (Trichoptera, Limnoph.). Mitteilungen der Schweizerischen Entomologischen Gesellschaft 25(3): 157-210.
     Also studies adults of Lenarchus.

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 86: "Although the type locality for this species is Colorado (Banks, 1899) there are only two available records that represent its occurrence in the state, both are from the SPRB." The elevation range is 9,000-9,950 feet and the adults emerge during July.

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Brown,WS 2015 Trichoptera (Caddisflies) of Gunnison County, Colorado, USA
www.gunnisoninsects.org