« Back to your search
Species Details
Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAdults of this species have been collected from June to September.
IdentificationLargest member in the genus, at once separated from the other species by the impunctate deeply engraved anterior transverse impression which reaches the front angles of the prothorax. Piceous to almost black, very shiny, mouthparts paler, legs bright rufous or testaceous. Elytra slightly iridescent, microsculpture transverse. Length 9.2-14.8 mm.
Scientific Name
Patrobus longicornis
Habitat
Meadows in deciduos forests; cultivated ground with rich vegetation; near margin of water.
Seasonality
Adults of this species have been collected from June to September.
Identification
Largest member in the genus, at once separated from the other species by the impunctate deeply engraved anterior transverse impression which reaches the front angles of the prothorax. Piceous to almost black, very…
Largest member in the genus, at once separated from the other species by the impunctate deeply engraved anterior transverse impression which reaches the front angles of the prothorax. Piceous to almost black, very shiny, mouthparts paler, legs bright rufous or testaceous. Elytra slightly iridescent, microsculpture transverse. Length 9.2-14.8 mm.
Life History
Overwinters in the larval stage.
Conservation
Common.
Diet Info
Both larvae and adults are predatory.
Range
This species is found in most of United States and Canada. In Alberta this species is found in the southern half.
Citation
Page Citation for Patrobus longicornis
Page Citation
"Species Details - Patrobus longicornis, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2569/9-38078. Accessed 25 Feb. 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 2.
Publication Date
1961
Series Title
Opuscula Entomologica
Volume
20
Pages
1-200
Specimen Information
There are 245 specimens of this Species.
UASM239007 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Manitoba, Selkirk
Collected ByBall, G. E.
Date Collected1956-07-03
UASM239008 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Manitoba, Selkirk
Collected ByBall, G. E.
Date Collected1956-07-03
UASM239009 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Manitoba, Selkirk
Collected ByBall, G. E.
Date Collected1956-07-03
UASM239010 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Manitoba, Selkirk
Collected ByBall, G. E.
Date Collected1956-07-03
UASM239011 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Manitoba, Selkirk
Collected ByBall, G. E.
Date Collected1956-07-03
UASM239012 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Manitoba, Selkirk
Collected ByBall, G. E.
Date Collected1956-07-03
UASM239013 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Manitoba, Selkirk
Collected ByBall, G. E.
Date Collected1956-07-03
UASM239014 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Northwest Territories, Hay River
Collected ByBelicek, J.
Date Collected1973-06-15
UASM239015 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Twelve Mile Coulee
Collected ByPollock, D.
Date Collected1984-08-22
UASM239016 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Idaho, Bonner county, Riley Creek Recreation Area
Collected ByAskevold, I. S.
Date Collected1981-08-06
UASM239017 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Manitoba, Hadashville
Collected ByAskevold, I. S.
Date Collected1983-09-17
UASM354723 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Quebec, Montreal
UASM354724 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1924-08-20
UASM354725 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Quebec, Saint-Hilaire
Collected ByChagnon, G.
UASM354726 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, Wardner
Collected ByCarr
Date Collected1929-07
UASM354727 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByCarr, F. S.
Date Collected1921-07-01
UASM354728 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, Wardner
Collected ByCarr
Date Collected1929-07
UASM354729 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Quebec, Montreal
UASM354730 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1928-06-02
UASM354731 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByCarr, F. S.
Date Collected1921-07-01
UASM354732 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByCarr, F. S.
Date Collected1921-07-01