Species Details
Polycentropus crassicornis
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAdults can be found from mid-May to mid-July.
IdentificationVertex of adult head is purple-brown. Antennae are purple-brown with white boundarie at the anullar joints. Legs are a deep yellow-brown to straw colour. In males, segment 10 has two pairs of processes. Both pairs of processes are wide, tapering distally to dull points. Dorsal pair is hooked dorsad, whereas the distal half is curved ventrad in the ventral pair of processes (Nimmo, 1986).
Scientific Name
Polycentropus crassicornis
Habitat
Flowing and standing waters.
Seasonality
Adults can be found from mid-May to mid-July.
Identification
Vertex of adult head is purple-brown. Antennae are purple-brown with white boundarie at the anullar joints. Legs are a deep yellow-brown to straw colour. In males, segment 10 has two pairs of processes. Both pairs…
Vertex of adult head is purple-brown. Antennae are purple-brown with white boundarie at the anullar joints. Legs are a deep yellow-brown to straw colour. In males, segment 10 has two pairs of processes. Both pairs of processes are wide, tapering distally to dull points. Dorsal pair is hooked dorsad, whereas the distal half is curved ventrad in the ventral pair of processes (Nimmo, 1986).
Life History
Unknown.
Conservation
Not known from Alberta yet.
Diet Info
Larvae are predacious.
Range
Widespread, from Saskatchewan, east to Nova Scotia and south to Florida. In Saskatchewan, recored from the western border near Lloydminster (Nimmo, 1986).
Citation
Page Citation for Polycentropus crassicornis
Page Citation
"Species Details - Polycentropus crassicornis, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2412. Accessed 08 May. 2024.
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 is 1 specimen of this Species.
UASM264351 - Polycentropus crassicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Mississippi, Choctaw county, Big Bywy Creek
Collected ByHashim, R.; Brown, R.
Date Collected2002-04-14