SeasonalityOnly Alberta record is on May 30.IdentificationAdult antennae are chocolate-brown and the vertex of the head dark chocolate with reddish tinges laterally. Spurs are brown. Forewings are dull red-brown with hyaline areas along the veins. In males, the clasper basal article is ventrally indented. The distal article is deeply bifurcate and lobes divergent (Nimmo, 1971).
Scientific NameAllomyia tripunctataHabitat
Small, cold mountain creeks.
Seasonality
Only Alberta record is on May 30.
Identification
Adult antennae are chocolate-brown and the vertex of the head dark chocolate with reddish tinges laterally. Spurs are brown. Forewings are dull red-brown with hyaline areas along the veins. In males, the clasper…
Adult antennae are chocolate-brown and the vertex of the head dark chocolate with reddish tinges laterally. Spurs are brown. Forewings are dull red-brown with hyaline areas along the veins. In males, the clasper basal article is ventrally indented. The distal article is deeply bifurcate and lobes divergent (Nimmo, 1971).
Life History
Biannual?
Conservation
Rare?
Diet Info
Larvae graze algae from rocks.
Range
The range extends from Alaska, south to Washington and Colorado. There is only one record in Alberta, several miles southwest of Banff (Nimmo, 1971).
Citation
Page Citation for Allomyia tripunctata
Page Citation
"Species Details - Allomyia tripunctata, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-3059. Accessed 06 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.