SeasonalityAdults have been collected on May 11, May 17 and June 12.IdentificationAdult antennae are pale yellow-brown and the vertex of the head is pale red-brown with cream-coloured warts. Spurs are red-brown. Forewings are milky opaque grey with faint irrorations. In males, the cercus is short, distally square-cut and much shorter than segment 10 process (Nimmo, 1977).
Scientific NamePhilocasca albaHabitat
Sub-alpine, alpine and maybe terrestrial or flowing waters.
Seasonality
Adults have been collected on May 11, May 17 and June 12.
Identification
Adult antennae are pale yellow-brown and the vertex of the head is pale red-brown with cream-coloured warts. Spurs are red-brown. Forewings are milky opaque grey with faint irrorations. In males, the cercus is…
Adult antennae are pale yellow-brown and the vertex of the head is pale red-brown with cream-coloured warts. Spurs are red-brown. Forewings are milky opaque grey with faint irrorations. In males, the cercus is short, distally square-cut and much shorter than segment 10 process (Nimmo, 1977).
Life History
Annual?
Conservation
Rare?
Diet Info
Larvae feed on vascular plant tissue.
Range
This species has only been recorded from southwestern Alberta, Kananaskis area and Waterton National Park (Nimmo, 1977).
Citation
Page Citation for Philocasca alba
Page Citation
"Species Details - Philocasca alba, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-3122. Accessed 22 Nov. 2024.
References
AuthorNimmo, A. P.
TitleThe adult Trichoptera (Insecta) of Alberta and eastern British Columbia, and their post-glacial origins. I. The families Rhyacophilidae and Limnephilidae. Supplement 1.
Publication Date1977
Series TitleQuaestiones Entomologicae
Volume13
Pages25-67
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.