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Species Details
Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAll of the Alberta records are from June.
IdentificationThe largest species in the genus, at once recognized by the rounded hind angles of the prothorax. Black, usually with bronzy, brassy or golden, along the margins often bluish or greenish, lustre. Length 15.5-17.8 mm.
Scientific Name
Blethisa quadricollis
Habitat
This species prefers acid bogs and occurs in Shagnum covered with Oxycoccus at the border of pools.
Seasonality
All of the Alberta records are from June.
Identification
The largest species in the genus, at once recognized by the rounded hind angles of the prothorax. Black, usually with bronzy, brassy or golden, along the margins often bluish or greenish, lustre. Length 15.5-17.8 mm.
Life History
Overwinters in the adult stage.
Conservation
Relatvely rare, due to local occurrences.
Diet Info
Both larvae and adults are predatory.
Range
This species ranges across the norther United States and most of Canada. In Alberta the only records are from the central region.
Citation
Page Citation for Blethisa quadricollis
Page Citation
"Species Details - Blethisa quadricollis, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2875/9-22894. Accessed 09 Mar. 2025.
References
Author
Bousquet, Yves and Andre Larochelle
Title
Catalogue of the Geadephaga (Coleoptera: Trachypachidae, Rhysodidae, Carabidae Including Cicindelini) of America North of Mexico
Publication Date
1993
Series Title
Memoirs of the Entomological Society of Canada
Pages
1-397
Author
Lindroth, Carl H.
Title
The Ground-beetles of Canada and Alaska. Part 3.
Publication Date
1963
Series Title
Opuscula Entomologica
Volume
24
Pages
201-408
Specimen Information
There are 25 specimens of this Species.
UASM26231 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByBall, G. E.
Date Collected1961-06-06
UASM26232 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByBall, G. E.
Date Collected1961-06-04/1961-06-05
UASM26233 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Flatbush
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1968-06-22
UASM26234 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Flatbush
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1968-06-22
UASM26235 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Flatbush
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1968-06-22
UASM26236 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Flatbush
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1968-06-22
UASM26237 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Smith
Collected ByWhitehead, D. R.; Whitehead, G. J.
Date Collected1972-06-24
UASM26238 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Smith
Collected ByWhitehead, D. R.; Whitehead, G. J.
Date Collected1972-06-24
UASM26239 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Smith
Collected ByWhitehead, D. R.; Whitehead, G. J.
Date Collected1972-06-24
UASM26240 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Smith
Collected ByWhitehead, D. R.; Whitehead, G. J.
Date Collected1972-06-24
UASM26241 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Smith
Collected ByWhitehead, D. R.; Whitehead, G. J.
Date Collected1972-06-24
UASM26242 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Smith
Collected ByWhitehead, D. R.; Whitehead, G. J.
Date Collected1972-06-24
UASM26243 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Smith
Collected ByWhitehead, D. R.; Whitehead, G. J.
Date Collected1972-06-24
UASM26244 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Smith
Collected ByWhitehead, D. R.; Whitehead, G. J.
Date Collected1972-06-24
UASM26245 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Smith
Collected ByWhitehead, D. R.; Whitehead, G. J.
Date Collected1972-06-24
UASM26442 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1960-06-20
UASM175971 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Saskatchewan, Lac La Ronge
Collected Byvan Nidek, C.; van Nidek, A.
Date Collected1985-06-17/1995-06-26
UASM175972 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, Yoho National Park
Collected ByAskevold; Pollock
Date Collected1984-04-30
UASM175973 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Maine, Oxford county, Paris
Collected ByFrost, C. A.
Date Collected1952-07-02
UASM175974 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Maine, Oxford county, Paris
Collected ByFrost, C. A.
Date Collected1952-07-02
UASM175975 - Blethisa quadricollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Massachusetts, Middlesex county, Lexington
Collected ByDarlington
Date Collected1926-06-19