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Species Details
Omophron americanum
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityAdults have been collected in May to July.
IdentificationBroad and rather flat. Reddish yellow, underside darker, brown; dark markings of upper surface (rarely metallic) varying in extension but on prothorax always reaching both front- and hind-margins, on elytra at least including the two inner intervals before apex; palest specimens occur in the west. Elytral striae deep with closely set punctures, intervals as a rule more convex than in the other species. Length 5.1 to 7.0 mm.
Scientific Name
Omophron americanum
Habitat
On bare sand or sand-mixed clay, usually at standing waters, sometimes quite small pools.
Seasonality
Adults have been collected in May to July.
Identification
Broad and rather flat. Reddish yellow, underside darker, brown; dark markings of upper surface (rarely metallic) varying in extension but on prothorax always reaching both front- and hind-margins, on elytra at least…
Broad and rather flat. Reddish yellow, underside darker, brown; dark markings of upper surface (rarely metallic) varying in extension but on prothorax always reaching both front- and hind-margins, on elytra at least including the two inner intervals before apex; palest specimens occur in the west. Elytral striae deep with closely set punctures, intervals as a rule more convex than in the other species. Length 5.1 to 7.0 mm.
Life History
Overwinters in the adult stage.
Conservation
Common.
Diet Info
Both larvae and adults are predatory.
Range
This species ranges across most of United States and Canada, except British Columbia. In Alberta this species is only found in the southern one third.
Citation
Page Citation for Omophron americanum
Page Citation
"Species Details - Omophron americanum, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-1461/9-530408. Accessed 22 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 2.
Publication Date
1961
Series Title
Opuscula Entomologica
Volume
20
Pages
1-200
Specimen Information
There are 33 specimens of this Species.
UASM827 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Dillberry Lake Provincial Park, Dillberry Lake
Collected ByBall, G. E.
Date Collected1960-06-05
UASM828 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Dillberry Lake Provincial Park, Dillberry Lake
Collected ByBall, G. E.
Date Collected1960-06-05
UASM829 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Erskine
Collected ByBall, G. E.
Date Collected1955-06-06
UASM830 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Erskine
Collected ByBall, G. E.
Date Collected1955-06-06
UASM831 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Erskine
Collected ByBall, G. E.
Date Collected1955-06-06
UASM832 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Erskine
Collected ByBall, G. E.
Date Collected1955-06-06
UASM833 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Erskine
Collected ByBall, G. E.
Date Collected1955-06-06
UASM834 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Dillberry Lake Provincial Park, Dillberry Lake
Collected ByBall, G. E.
Date Collected1960-06-05
UASM835 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Patricia
Collected ByBall, G. E.
Date Collected1955-06-26
UASM836 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Patricia
Collected ByBall, G. E.
Date Collected1955-06-26
UASM837 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Patricia
Collected ByBall, G. E.
Date Collected1955-06-26
UASM838 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Patricia
Collected ByBall, G. E.
Date Collected1955-06-26
UASM839 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Patricia
Collected ByBall, G. E.
Date Collected1955-06-26
UASM840 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Milk River
Collected ByBall, G. E.; Freitag, R.
Date Collected1962-06-01
UASM841 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Milk River
Collected ByBall, G. E.; Freitag, R.
Date Collected1962-06-01
UASM842 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Milk River
Collected ByBall, G. E.; Freitag, R.
Date Collected1962-06-01
UASM843 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Milk River
Collected ByBall, G. E.; Freitag, R.
Date Collected1962-06-01
UASM844 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Milk River
Collected ByBall, G. E.; Freitag, R.
Date Collected1962-06-01
UASM845 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Milk River
Collected ByBall, G. E.; Freitag, R.
Date Collected1962-06-01
UASM846 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Milk River
Collected ByBall, G. E.; Freitag, R.
Date Collected1962-06-01
UASM847 - Omophron americanum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Milk River
Collected ByBall, G. E.; Freitag, R.
Date Collected1962-06-01