SeasonalityAdults have been recorded in May, September and October.IdentificationAdult antennae are deep red-brown and the vertex of the head uniform deep red-brown. Forewings are deep red-brown, irregularly irrorate with larger hyaline areas. In males, segment 10 processes are arched well above the cercus. The clasper has a distinct, long, sharp spine on the disto-mesal face (Nimmo, 1971).
Scientific NameLimnephilus nogusHabitat
Uncertain.
Seasonality
Adults have been recorded in May, September and October.
Identification
Adult antennae are deep red-brown and the vertex of the head uniform deep red-brown. Forewings are deep red-brown, irregularly irrorate with larger hyaline areas. In males, segment 10 processes are arched well above…
Adult antennae are deep red-brown and the vertex of the head uniform deep red-brown. Forewings are deep red-brown, irregularly irrorate with larger hyaline areas. In males, segment 10 processes are arched well above the cercus. The clasper has a distinct, long, sharp spine on the disto-mesal face (Nimmo, 1971).
Life History
Annual?
Conservation
Not yet collected in Alberta, but recorded on the British Columbia side of Crowsnest Pass.
Diet Info
Larvae are detritovores.
Range
The known range for this species extends from British Columbia south to California (Nimmo, 1971).
Citation
Page Citation for Limnephilus nogus
Page Citation
"Species Details - Limnephilus nogus, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-3102. Accessed 03 Jun. 2025.
References
AuthorNimmo, A. P.
TitleThe adult Rhyacophilidae and Limnephilidae (Trichoptera) of Alberta and eastern British Columbia and their post-glacial origin.
Publication Date1971
Series TitleQuaestiones Entomologicae
Volume7
Pages1-234
Specimen Information
There is 1 specimen of this Species.
1 result plotted on map in 1 marker. Note: Only records with latitude and longitude coordinates are plotted on map.