Species Details
Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAdults of this species have been collected in May to July.
IdentificationMember of the inaequale group (subgenus Bracteon). Largest species in the group, characterized by the braod base of the prothorax and the strong basal margin inside shoulders of elytra. Brassy, inner intervals of eltra, notably the 3rd, and often disc of prothorax, cupreous or purplish, silver spots greenish or golden; 1st antennal segment and tibiae more or less pale. Elytra with only faintest suggestion of transverse basal impression, 4th stria straight. Length 6.0 to 7.5 mm.
Scientific Name
Bembidion punctatostriatum
Habitat
Confined to the banks of large rivers, where the soil consists of bare, often sand-mixed clay.
Seasonality
Adults of this species have been collected in May to July.
Identification
Member of the inaequale group (subgenus Bracteon). Largest species in the group, characterized by the braod base of the prothorax and the strong basal margin inside shoulders of elytra. Brassy, inner intervals of…
Member of the inaequale group (subgenus Bracteon). Largest species in the group, characterized by the braod base of the prothorax and the strong basal margin inside shoulders of elytra. Brassy, inner intervals of eltra, notably the 3rd, and often disc of prothorax, cupreous or purplish, silver spots greenish or golden; 1st antennal segment and tibiae more or less pale. Elytra with only faintest suggestion of transverse basal impression, 4th stria straight. Length 6.0 to 7.5 mm.
Life History
No information available.
Conservation
Relatively common.
Diet Info
Both larvae and adults are predatory.
Range
This species rages across the northern United States, and most of Canada. In Alberta this species is found in the southern half.
Citation
Page Citation for Bembidion punctatostriatum
Page Citation
"Species Details - Bembidion punctatostriatum, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2897. Accessed 28 Jan. 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 93 specimens of this Species.
UASM31711 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Patricia
Collected ByBall, G. E.
Date Collected1955-06-26
UASM31830 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByBall, G. E.
Date Collected1956-07-22
UASM31831 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1955-06-08
UASM31832 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31833 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31834 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31835 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31836 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31837 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31838 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31839 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31840 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31841 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31842 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31843 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31844 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31845 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31846 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31847 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1957-06-16
UASM31848 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1956-07-23
UASM31849 - Bembidion punctatostriatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1956-07-23