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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/2-2569/9-557869. Accessed 24 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.
UASM36778 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Red Deer River
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1964-06-19
UASM36779 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1964-06-21
UASM36780 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1964-06-21
UASM36781 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1964-06-21
UASM36782 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1964-06-21
UASM36783 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1964-06-21
UASM36784 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1964-06-21
UASM36773 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Bassano
Collected ByBall, G. E.
Date Collected1957-06-30
UASM36757 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Conjuring Creek
Collected ByBall, G. E.
Date Collected1977-07-27
UASM36769 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Southeastern Alberta
Collected ByBall, G. E.
Date Collected1955-06-22
UASM36770 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Southeastern Alberta
Collected ByBall, G. E.
Date Collected1955-06-22
UASM36771 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Southeastern Alberta
Collected ByBall, G. E.
Date Collected1955-06-22
UASM36772 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Southeastern Alberta
Collected ByBall, G. E.
Date Collected1955-06-22
UASM36774 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Cardston
Collected ByBall, G. E. & family
Date Collected1955-07-25
UASM36775 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Cardston
Collected ByBall, G. E. & family
Date Collected1955-07-25
UASM36776 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Cardston
Collected ByBall, G. E. & family
Date Collected1955-07-25
UASM36777 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Cardston
Collected ByBall, G. E. & family
Date Collected1955-07-25
UASM36785 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByBall, G. E.; Ball, K. E.
Date Collected1956-08-05
UASM36761 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Conjuring Creek
Collected ByChomyn, D. W.
Date Collected1968-07-14
UASM36762 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Conjuring Creek
Collected ByChomyn, D. W.
Date Collected1968-07-14
UASM36760 - Patrobus longicornis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Swan River
Collected ByGooding, R. H.; Wilkie, M.
Date Collected1970-07-13