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Species Details
Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAdults can be found from early June to late August.
IdentificationVertex of adult head is dark brown, paling posteriorly. Antennae brownish cream. Legs are brownish-yellow with orange-brown spurs. In males, segment 10 has two pairs of processes. The dorsal pair is very long, slender, curved ventro-anterad, tapering to a very fine acuminate tip. Ventral pair are stout and apparently of two parts (Nimmo, 1986).
Scientific Name
Polycentropus flavus
Habitat
Standing and flowing waters in the subapline to boreal plains. Mountain torrents to lowland creeks.
Seasonality
Adults can be found from early June to late August.
Identification
Vertex of adult head is dark brown, paling posteriorly. Antennae brownish cream. Legs are brownish-yellow with orange-brown spurs. In males, segment 10 has two pairs of processes. The dorsal pair is very long,…
Vertex of adult head is dark brown, paling posteriorly. Antennae brownish cream. Legs are brownish-yellow with orange-brown spurs. In males, segment 10 has two pairs of processes. The dorsal pair is very long, slender, curved ventro-anterad, tapering to a very fine acuminate tip. Ventral pair are stout and apparently of two parts (Nimmo, 1986).
Life History
Annual ?
Conservation
Common.
Diet Info
Larvae are predacious.
Range
From Alaska and California, east to Newfoundland, south to Colorado (Nimmo, 1986).
Citation
Page Citation for Polycentropus flavus
Page Citation
"Species Details - Polycentropus flavus, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2409/9-12521. Accessed 04 Apr. 2025.
References
Author
Nimmo, A. P.
Title
The adult Polycentropodidae of Canada and adjacent United States.
Publication Date
1986
Series Title
Quaestiones Entomologicae
Volume
22
Pages
143-252
Author
Ross, Herbert, H.
Title
The caddis flies, or Trichoptera, of Illinois.
Publication Date
1944
Volume
23
Pages
326
Specimen Information
There are 29 specimens of this Species.
UASM5853 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Forestry Trunk Road
Collected ByNimmo, A.
Date Collected1976-07-25
UASM5862 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Lobstick River
Collected ByNimmo, A.
Date Collected1967-07-05
UASM5865 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Little Brule Creek
Collected ByNimmo, A.
Date Collected1967-07-13
UASM5869 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Triangle
Collected ByNimmo, A.
Date Collected1967-07-01
UASM5864 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edwand
Collected ByNimmo, A.
Date Collected1966-07-11
UASM5868 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, North Heart River
Collected ByNimmo, A.
Date Collected1967-07-01
UASM5856 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Jasper National Park, Mount Kerkeslin
Collected ByNimmo, A.
Date Collected1975-06-30
UASM5866 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Banff National Park, Vermilion Lakes
Collected ByNimmo, A.
Date Collected1965-07-05
UASM5859 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Two Creek
Collected ByNimmo, A.
Date Collected1967-07-01
UASM5860 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, House River
Collected ByNimmo, A.
Date Collected1978-06-29
UASM5867 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Jasper National Park, Maligne Lake
Collected ByNimmo, A.
Date Collected1975-06-30
UASM5857 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Jasper National Park, Leach Lake
Collected ByNimmo, A.
Date Collected1966-07-06
UASM5852 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Smith
Collected ByWhitehead, D. R.; Whitehead, J.
Date Collected1968-06-23
UASM5854 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Whitecourt
Collected ByNimmo, A.
Date Collected1966-06-18
UASM5855 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Jasper National Park, Jasper
Collected ByNimmo, A.
Date Collected1965-07-04
UASM5858 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Whitecourt
Collected ByNimmo, A.
Date Collected1966-06-19
UASM5861 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Banff National Park, Vermilion Lakes
Collected ByNimmo, A.
Date Collected1965-07-05
UASM5863 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Gregoire Lake
Collected ByNimmo, A.
Date Collected1978-06-23
UASM6218 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Devon
Collected ByGriffiths, Graham C. D.
Date Collected1980-07-01
UASM6227 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Devon
Collected ByGriffiths, Graham C. D.
Date Collected1980-07-05
UASM6236 - Polycentropus flavus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Devon
Collected ByGriffiths, Graham C. D.
Date Collected1980-07-05