Species Details
Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAdults of this species have been collected in May to July and September.
IdentificationMember of the inaequale group (subgenus Bracteon). Most variable species in the group. Black, base of antennae, tibiae, and sometimes part of femora, often reddish; entire body metallic, from deep brass or green to bright cupreous. Elytra with 4th stria more or less suddenly sinuate (or interrupted) near base, intervals 1-3 (-4) more or less smooth and shiny before anterior silver spot, mirror on 7th interval (including part of the two adjacent) isolated and situated nearer posterior than anterior silver spot. Length 4.6 to 5.6 mm.
Scientific Name
Bembidion inaequale
Habitat
Border of fresh, running water; on clayish soil, often mixed with sand.
Seasonality
Adults of this species have been collected in May to July and September.
Identification
Member of the inaequale group (subgenus Bracteon). Most variable species in the group. Black, base of antennae, tibiae, and sometimes part of femora, often reddish; entire body metallic, from deep brass or green to…
Member of the inaequale group (subgenus Bracteon). Most variable species in the group. Black, base of antennae, tibiae, and sometimes part of femora, often reddish; entire body metallic, from deep brass or green to bright cupreous. Elytra with 4th stria more or less suddenly sinuate (or interrupted) near base, intervals 1-3 (-4) more or less smooth and shiny before anterior silver spot, mirror on 7th interval (including part of the two adjacent) isolated and situated nearer posterior than anterior silver spot. Length 4.6 to 5.6 mm.
Life History
Overwinters in the adult stage.
Conservation
Relatively common.
Diet Info
Both larvae and adults are predatory.
Range
This species ranges across most of United States and Canada. In Alberta this species is found in the southern half.
Citation
Page Citation for Bembidion inaequale
Page Citation
"Species Details - Bembidion inaequale, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2896. Accessed 10 May. 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 223 specimens of this Species.
UASM31710 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Spring Creek Basin
Date Collected1969-05-23
UASM31728 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByBall, G. E.
Date Collected1956-07-22
UASM31729 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByBall, G. E.
Date Collected1956-07-22
UASM31730 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByBall, G. E.
Date Collected1956-07-22
UASM31731 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByBall, G. E.
Date Collected1956-07-22
UASM31732 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Athabasca River
Collected ByHooper, R. L.
Date Collected1973-09-02
UASM31733 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Athabasca River
Collected ByHooper, R. L.
Date Collected1973-09-02
UASM31734 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Conjuring Creek
Collected ByBall, G. E.
Date Collected1977-07-27
UASM31735 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Conjuring Creek
Collected ByBall, G. E.
Date Collected1977-07-27
UASM31736 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Conjuring Creek
Collected ByBall, G. E.
Date Collected1977-07-27
UASM31737 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Conjuring Creek
Collected ByBall, G. E.
Date Collected1977-07-27
UASM31738 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, St. Mary River
Collected ByBall, G. E.
Date Collected1957-06-15
UASM31739 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, St. Mary River
Collected ByBall, G. E.
Date Collected1957-06-15
UASM31740 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Little Bow River
Collected ByBall, G. E.
Date Collected1955-06-07
UASM31741 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Red Deer River
Collected ByBall, G. E.
Date Collected1960-06-06
UASM31742 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Red Deer River
Collected ByBall, G. E.
Date Collected1960-06-06
UASM31743 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1955-06-08
UASM31744 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1955-06-08
UASM31745 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1955-06-08
UASM31746 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1955-06-08
UASM31747 - Bembidion inaequale
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Oldman River
Collected ByBall, G. E.
Date Collected1955-06-08