Species Details

Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum Read more about this collection »

SeasonalityAdults fly from early May to mid-August. IdentificationMale forewings are pale brownish-yellow with darker areas. Antennae are yellow, vertex pale reddish brown in males and yellow-brown in females and thorax is pale reddish brown to yellowish brown laterally. Legs are yellow with straw-coloured spurs. The distal article of the male clasper is large, robust and distally rounded with a mesal tooth (Nimmo, 1987).

Scientific Name Hydropsyche occidentalis Habitat Eclectic flowing waters. Seasonality Adults fly from early May to mid-August. Identification
Male forewings are pale brownish-yellow with darker areas. Antennae are yellow, vertex pale reddish brown in males and yellow-brown in females and thorax is pale reddish brown to yellowish brown laterally. Legs are…
Male forewings are pale brownish-yellow with darker areas. Antennae are yellow, vertex pale reddish brown in males and yellow-brown in females and thorax is pale reddish brown to yellowish brown laterally. Legs are yellow with straw-coloured spurs. The distal article of the male clasper is large, robust and distally rounded with a mesal tooth (Nimmo, 1987).
Life History Annual(?) Unknown. Conservation Common. Diet Info Larvae are omnivorous. Range Found throughout the western Cordillera, from Mexico north to British Columbia and east to the plains of Saskatchewan. In Alberta, found in the prairies and the boreal forest.

Citation

Page Citation for Hydropsyche occidentalis

Page Citation

"Species Details - Hydropsyche occidentalis, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-1314. Accessed 11 Oct. 2024.

References

Specimen Information

There are 47 specimens of this Species.

47 results plotted on map in 25 markers.
Note: Only records with latitude and longitude coordinates are plotted on map.

UASM5597 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Brooks Collected ByPhilip, H. Date Collected1976-07-05

UASM5595 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Nanton Collected ByPhilip, H. Date Collected1976-07-07

UASM5588 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Nanton Collected ByPhilip, H. Date Collected1976-07-12

UASM5596 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Three Hills Collected ByPhilip, H. Date Collected1976-07-13

UASM5583 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Three Hills Collected ByPhilip, H. Date Collected1976-08-12

UASM5584 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Nobleford Collected ByPhilip, H. Date Collected1976-08-14

UASM5592 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Little Bow River Collected ByNimmo, A. Date Collected1976-07-30

UASM5590 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lethbridge Collected ByLarson, D. J. Date Collected1965-07-07

UASM5579 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lethbridge Collected ByLarson, D. J. Date Collected1965-08-04

UASM5580 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lethbridge Collected ByLarson, D. J. Date Collected1965-08-19

UASM5577 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Pincher Creek Collected ByNimmo, A. Date Collected1967-07-29

UASM5573 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Oldman River Collected ByNimmo, A. Date Collected1967-08-13

UASM5567 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Entwistle Collected ByLeech, R. Date Collected1968-06-26

UASM5568 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lethbridge Collected ByLarson, D. J. Date Collected1965-07-29

UASM5569 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lethbridge Collected ByLarson, D. J. Date Collected1965-07-13/1965-07-15

UASM5570 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, North Saskatchewan River Collected ByNimmo, A. Date Collected1966-08-08

UASM5571 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Bow River Collected ByNimmo, A. Date Collected1967-08-13

UASM5572 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Nobleford Collected ByPhilip, H. Date Collected1976-06-30/1976-07-04

UASM5574 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lethbridge Collected ByLarson, D. J. Date Collected1965-07-28

UASM5575 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Three Hills Collected ByPhilip, H. Date Collected1976-07-21

UASM5576 - Hydropsyche occidentalis

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Blindman River Collected ByNimmo, A. Date Collected1966-07-14

Adult Seasonal Distribution