Species Details
Dicosmoecus gilvipes
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAdults have been recorded on July 24, August 25 and September 5.
IdentificationAdult antennae are very dark grey and the vertex of the head is black, fading posterad to red-brown. Legs are yellow except the hindlegs are a darker straw colour. Spurs are red-brown and the formula is 1, 3, 4. In males, the distal article of the clasper is irregularly and gradually tapered distad. The distal half is dagger-like (Nimmo, 1977).
Scientific Name
Dicosmoecus gilvipes
Habitat
Streams and possibly some lake shores.
Seasonality
Adults have been recorded on July 24, August 25 and September 5.
Identification
Adult antennae are very dark grey and the vertex of the head is black, fading posterad to red-brown. Legs are yellow except the hindlegs are a darker straw colour. Spurs are red-brown and the formula is 1, 3, 4. In…
Adult antennae are very dark grey and the vertex of the head is black, fading posterad to red-brown. Legs are yellow except the hindlegs are a darker straw colour. Spurs are red-brown and the formula is 1, 3, 4. In males, the distal article of the clasper is irregularly and gradually tapered distad. The distal half is dagger-like (Nimmo, 1977).
Life History
Two years life-cycle. Larvae will diapause in the mid-summer before pupating.
Conservation
Rare.
Diet Info
Larvae graze on diatoms and scrape rocks for fine organic particles.
Range
This species range extends from British Columbia, south to California and Colorado (Nimmo, 1977).
Citation
Page Citation for Dicosmoecus gilvipes
Page Citation
"Species Details - Dicosmoecus gilvipes, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-3051. Accessed 09 May. 2024.
References
Author
LaFontaine, Gary
Title
Caddisflies
Publication Date
1981
Pages
336
Author
Nimmo, A. P.
Title
The adult Trichoptera (Insecta) of Alberta and eastern British Columbia, and their post-glacial origins. I. The families Rhyacophilidae and Limnephilidae. Supplement 1.
Publication Date
1977
Series Title
Quaestiones Entomologicae
Volume
13
Pages
25-67
Specimen Information
There are 2 specimens of this Species.
UASM6380 - Dicosmoecus gilvipes
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByNimmo, A.
Date Collected1976-09-05
UASM6417 - Dicosmoecus gilvipes
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Hinton
Collected ByNimmo, A.
Date Collected1967-08-22