SeasonalityAdults fly from early June to late August.IdentificationAdult antennae are brown and the vertex of the head dark brown. Spurs are pale brown. Forewings are deep chocolate-brown to a pale yellowish brown, lightly irrorate and the costal are is clear and pale yellow. In males, the cercus and segment 10 processes are equal in length. Each process is tapered and rounded at the tips. The ventral base of the clasper is smoothly tapered to an acuminate, black, dorsal process (Nimmo, 1971).
Scientific NameAnabolia bimaculataSeasonality
Adults fly from early June to late August.
Identification
Adult antennae are brown and the vertex of the head dark brown. Spurs are pale brown. Forewings are deep chocolate-brown to a pale yellowish brown, lightly irrorate and the costal are is clear and pale yellow. In…
Adult antennae are brown and the vertex of the head dark brown. Spurs are pale brown. Forewings are deep chocolate-brown to a pale yellowish brown, lightly irrorate and the costal are is clear and pale yellow. In males, the cercus and segment 10 processes are equal in length. Each process is tapered and rounded at the tips. The ventral base of the clasper is smoothly tapered to an acuminate, black, dorsal process (Nimmo, 1971).
Life History
Annual?
Conservation
Very common.
Diet Info
Larvae are detritovores, feeding on vascular plant tissues.
Range
The range of this species extends from Great Slave Lake to British Columbia, New Mexico, Michigan and Maine. In Alberta, it is relatively common throughout the plains and lower major mountain valleys (Nimmo, 1971).
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Citation
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Page Citation for Anabolia bimaculata
Page Citation
"Species Details - Anabolia bimaculata, Freshwater Invertebrate Collection." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/5-3066. Accessed 05 Nov. 2024.
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.
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1 result plotted on map in 1 marker. Note: Only records with latitude and longitude coordinates are plotted on map.