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Species Details

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…
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).

Citation

Page Citation for Limnephilus externus

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 06 May. 2024.

Authorship

Name Robinson, E.
Role species page author
Date 2003-01

References

Specimen Information

There are 49 specimens of this Species.

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

UASM6155 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Fairview Collected ByPike, Edward Marshall Date Collected1979-09-10

UASM6246 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Devon Collected ByGriffiths, Graham C. D. Date Collected1980-09-01

UASM4688 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Gorge Creek Collected ByNimmo, A.

BIRD33167 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2000-09-09

UASM264023 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Devon Collected BySimonsen, T. J. Date Collected2006-09-28

UASM264012 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Waiparous Collected ByDjernaes, M. Date Collected2006-09-02

UASM264013 - Limnephilus externus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Waiparous Collected ByDjernaes, M. Date Collected2006-09-02

Adult Seasonal Distribution