SeasonalityAdults fly from mid-July to mid-August.IdentificationAdult antennae are dark brown with yellow joints. The vertex of the head is uniform black. Spurs are reddish brown. Forewings are chocolate brown, irregularly irrorate, especially along the anterior edge. In males, the cercus is massive, black and has curved teeth. The clasper is short, blunt and without a dorsal process (Nimmo, 1971).
Scientific NameLenarchus fautiniHabitat
Recorded near an alpine Carex pool.
Seasonality
Adults fly from mid-July to mid-August.
Identification
Adult antennae are dark brown with yellow joints. The vertex of the head is uniform black. Spurs are reddish brown. Forewings are chocolate brown, irregularly irrorate, especially along the anterior edge. In…
Adult antennae are dark brown with yellow joints. The vertex of the head is uniform black. Spurs are reddish brown. Forewings are chocolate brown, irregularly irrorate, especially along the anterior edge. In males, the cercus is massive, black and has curved teeth. The clasper is short, blunt and without a dorsal process (Nimmo, 1971).
Life History
Annual?
Conservation
Rare.
Diet Info
Larvae are detritovores.
Range
The range for this species extends from Great Slave Lake, to Alberta and British Columbia (Nimmo, 1971).
Citation
Page Citation for Lenarchus fautini
Page Citation
"Species Details - Lenarchus fautini, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-3078. Accessed 06 May. 2024.
Authorship
NameRobinson, E.
Rolespecies page author
Date2003-01
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.