Limnephilus externus

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

SeasonalityAdults fly from late July to early October. IdentificationAdult antennae are uniform yellowish brown and the spurs are hyaline to yellow. Forewings are grayish brown with hyaline areas. In males, the posterior edge of tergum 8 with a distinct bulge clothed in black, stout setae. The mesal face of the cercus and the ventral portion of the distal edge have a row of black teeth. Clasper tip is upturned as a black spine (Nimmo, 1971).

Scientific Name Limnephilus externus Habitat Smaller Carexponds and sloughs. Seasonality Adults fly from late July to early October. Identification

Adult antennae are uniform yellowish brown and the spurs are hyaline to yellow. Forewings are grayish brown with hyaline areas. In males, the posterior edge of tergum 8 with a distinct bulge clothed in black, stout setae. The mesal face of the cercus and the ventral portion of the distal edge have a row of black teeth. Clasper tip is upturned as a black spine (Nimmo, 1971).

Life History Annual? Conservation Very common. Diet Info Larvae are detritovores. Range This species is Holarctic in distribution, extending from Great Slave Lake, south California, east to Nova Scotia and Newfoundland. In Alberta, this species occurs in the mountains and plains (Nimmo, 1971).

Page Citation

"Species Details - Limnephilus externus, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-3086. Accessed 26 Apr. 2024.

Authorship

Name Robinson, E.

Role species page author

Date 2003-01

References

49 results plotted on map in 28 markers.
Note: Only records with latitude and longitude coordinates are plotted on map.

UASM4710 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Banff National Park Collected ByNimmo, A. Date Collected1966-09-10

UASM4712 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Banff National Park Collected ByNimmo, A. Date Collected1966-09-10

UASM4687 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Jasper National Park Collected ByNimmo, A. Date Collected1967-08-10

UASM4694 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Waterton Lakes National Park, Waterton River Collected ByNimmo, A. Date Collected1967-07-24

UASM4711 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Gap Collected ByNimmo, A. Date Collected1966-09-13

UASM4719 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta Collected ByNimmo, A. Date Collected1965-08-25

UASM4691 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Canmore Collected ByNimmo, A. Date Collected1965-08-25

UASM4715 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Banff National Park Collected ByNimmo, A. Date Collected1968-09-12

UASM4698 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Hanna Collected ByAwram, J. Date Collected1963-08-06

UASM4714 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Gorge Creek Collected ByNimmo, A. Date Collected1965-08-23

UASM4705 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Gorge Creek Collected ByNimmo, A. Date Collected1965-09-12

UASM4717 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Banff National Park Collected ByNimmo, A. Date Collected1966-09-13

UASM4703 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Edmonton Collected ByBall, G. E. Date Collected1955-06-15

UASM4704 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Edmonton Collected ByMainerte, J. Date Collected1955-07-12

UASM4707 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Cypress Hills Provincial Park, Elkwater Collected ByNimmo, A. Date Collected1965-08-17

UASM4700 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Waterton Lakes National Park, Maskinonge Lake Collected ByNimmo, A. Date Collected1965-08-20

UASM4690 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Banff National Park, Kicking Horse Pass Collected ByNimmo, A. Date Collected1966-10-04

UASM4689 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Banff National Park, Vermilion Pass Collected ByNimmo, A. Date Collected1967-08-23

UASM4708 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Waterton Lakes National Park, Waterton Collected ByNimmo, A. Date Collected1968-07-31

UASM4695 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Banff National Park, Bow River Collected ByNimmo, A. Date Collected1968-09-11

UASM4683 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Jasper National Park Collected ByNimmo, A. Date Collected1968-09-11

Adult Seasonal Distribution

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Species Details