Trichoptera: Limnephilidae of Gunnison County, ColoradoLimnephilus hyalinus
Pale Summer Sedge caddisflyHagen 1861
Updated 21 February 2026
TSN 116163
Good Links
On this website:
Introduction to Limnephilus
Other Websites:
Photos, Map, Taxon Identifier Numbers - from the Global Biodiversity Information Facility Limnephilus hyalinus at GBIF
Photos, Map, Museum specimens, DNA - Barcodinglife.org
Illustration - University of Alberta Entomology Collection Species page
Has description, habitat information, range and more.
References
Al-Baeity,H; Allard,LS; Arreza,L; Asbury,TA; Bandayrel,JA; Brar,S; Ellen Brien,N; Chan,LL; Chimney,KP; de Leon,MAR and Farrell,AC 2019 The complete mitochondrial genome of the North American pale summer sedge caddisfly Limnephilus hyalinus (Insecta: Trichoptera: Limnephilidae). Mitochondrial DNA Part B, 4(1), pp.413-415. HTML
Abstract: "The pale summer sedge caddisfly, Limnephilus hyalinus Hagen, 1861 (Limnephilidae, the Northern Caddisflies), is widespread in North America. Genome skimming by Illumina sequencing allowed assembly of a complete 15,168 bp circular mitogenome from L. hyalinus consisting of 78.0% AT nucleotides, 22 tRNAs, 13 protein-coding genes, two rRNAs and a control region in the ancestral insect gene order. Limnephilus hyalinus COX1 features an atypical CGA start codon while ATP8, NAD1, NAD5, and NAD6 exhibit incomplete stop codons. The mtTERM binding site is conserved between the Trichoptera and the Lepidoptera. Phylogenetic reconstruction reveals a monophyletic Order Trichoptera, Family Limnephilidae, and genus Limnephilus."
Al Mousa,MDA 2020 Studies on the Odonata and Trichoptera of high-elevation lakes of northern Colorado and southern Wyoming. MS Thesis, Colorado State University, Fort Collins, Colorado. 187 pages. PDF
Quote from page 85-86: "Limnephilus hyalinus Hagen, 1861 was recorded and collected also from eight lakes between 1934 and 2020 (Fig. 3.16, Appendix 4) from four counties; Boulder (1), Grand (3), Jackson (1) and Larimer (3) Counties, from an elevation of 2,540-3,100m."
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 570: "Several transcontinental representatives of the Limnephilus genus were well represented in our study area, including our most frequently captured taxon, L. abbreviatus Banks, 1908, as well as the frequently encountered and common L. janus Ross, 1938, L. hyalinus Hagen, 1861, L. moestus Banks, 1908, and L. indivisus Walker, 1852 (Table 2, Supplementary Material 1)."
Banks,N 1943 Notes and descriptions of Nearctic Trichoptera. Bulletin of the Museum of Comparative Zoology at Harvard College 92: 341-369, plates 1-6.
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 Limnophilus hyalinus. Hagen's Glossary (pdf)
Herrmann,SJ; Ruiter,DE and Unzicker,JD 1986 Distribution and records of Colorado Trichoptera. Southwestern Naturalist 31 (4) 421-457.
The authors show this species present in Gunnison County.
Nimmo,A 1971 The adult Rhyacophilidae and Limnephilidae (Trichoptera) of Alberta and eastern British Columbia and their post glacial origin. Quaestiones Entomologicae 73: 3-234.
Ruiter,DE 1995 The adult Limnephilus Leach (Trichoptera: Limnephilidae) of the new world. Vol. 11. Ohio Biological Survey, College of Biological Sciences, Ohio State University, Columbus, Ohio. 200 pages.
Keys and illustrates the adults of this species. Also shows it is present in Gunnison County.
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 89: "This species, while uncommonly reported, was collected from locations near the mountain plains interface to nearly timberline." The elevation range is 5,050-10,150 feet and the adults emerge from July-September.
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