Species Details
Brachycentrus americanus
Freshwater Invertebrate Collection Read more about this collection »
SeasonalityAdults can be found from late June to mid-September.
IdentificationThe vertex of the adult head is reddish-brown with dense white and beige hairs. Antennae are brown, with reddish rings. Spur count is 2, 2, 3. Claspers of the males are irregularly shaped, dumb-bell like. Otherwise, the overall shape of the clasper is linear, with the extremities folded mesad.
Scientific Name
Brachycentrus americanus
Seasonality
Adults can be found from late June to mid-September.
Identification
The vertex of the adult head is reddish-brown with dense white and beige hairs. Antennae are brown, with reddish rings. Spur count is 2, 2, 3. Claspers of the males are irregularly shaped, dumb-bell like. …
The vertex of the adult head is reddish-brown with dense white and beige hairs. Antennae are brown, with reddish rings. Spur count is 2, 2, 3. Claspers of the males are irregularly shaped, dumb-bell like. Otherwise, the overall shape of the clasper is linear, with the extremities folded mesad.
Life History
No information available.
Conservation
Common.
Diet Info
The larvae are omnivorous, obtaining their food either by filter feeding or scraping.
Range
This species has a Holarctic distribution: in North America, from Alaska to New Mexico, in the east from Tennessee to Vermont. In Canada, it is transcontinental (Schmid, 1983).
Citation
Page Citation for Brachycentrus americanus
Page Citation
"Species Details - Brachycentrus americanus, Freshwater Invertebrate Collection." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/5-1064. Accessed 08 Jul. 2025.
References
Author
Schmid, F.
Title
Revision des trichopteres Canadiens. III. Les Hyalopsychidae, Psychomyiidae, Goeride, Brachycentridae, Sericostomatidae, Helicopsychidae, Beraeidae, Odontoceridae, Calamoceratidae et Molannidae.
Publication Date
1983
Series Title
Memoires de la societe entomologique du Canada
Volume
125
Pages
109
Specimen Information
There are 4 specimens of this Species.
IN1352 - Brachycentrus americanus
Freshwater Invertebrate Collection
Place CollectedCanada: Alberta
Collected ByRobertson, M. R.
Date Collected1969
IN3989 - Brachycentrus americanus
Freshwater Invertebrate Collection
Place CollectedCanada: Alberta, Steepbank River (Undet.)
Collected ByA.O.S.E.R.P.
Date Collected1977-05-01
IN3990 - Brachycentrus americanus
Freshwater Invertebrate Collection
Place CollectedCanada: Alberta, Steepbank River (Undet.)
Collected ByA.O.S.E.R.P.
Date Collected1976-07-22
IN3991 - Brachycentrus americanus
Freshwater Invertebrate Collection
Place CollectedCanada: Alberta, Steepbank River (Undet.)
Collected ByA.O.S.E.R.P.
Date Collected1976-07-22