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Species Details
Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityThis species has only been collected in June.
IdentificationBlack, upper surface greenish, often with bluish or purplish reflection, legs entirely rufous. Punctation of entire upper surface denser, finer and more regular than in clairvillei, mirrors little pronounced. Head with deep central fovea between the eyes. Male with four dilated protarsal segments.
Scientific Name
Elaphrus olivaceus
Habitat
Confined to the borders of small eutrophic waters, with bare spots between rich vegetation.
Seasonality
This species has only been collected in June.
Identification
Black, upper surface greenish, often with bluish or purplish reflection, legs entirely rufous. Punctation of entire upper surface denser, finer and more regular than in clairvillei, mirrors little pronounced. Head…
Black, upper surface greenish, often with bluish or purplish reflection, legs entirely rufous. Punctation of entire upper surface denser, finer and more regular than in clairvillei, mirrors little pronounced. Head with deep central fovea between the eyes. Male with four dilated protarsal segments.
Life History
Overwinters in the adult stage.
Conservation
Moderately common.
Diet Info
Both larvae and adults are predatory.
Range
This species is found in the northern United States, and most of Canada. In Alberta this species if found in the central third.
Citation
Page Citation for Elaphrus olivaceus
Page Citation
"Species Details - Elaphrus olivaceus, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search-test.museums.ualberta.ca/g/2-2452/9-23204. Accessed 01 Nov. 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 156 specimens of this Species.
UASM26750 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winefred Lake
Collected ByShpeley, D.
Date Collected1985-06-15
UASM26751 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winefred Lake
Collected ByShpeley, D.
Date Collected1985-06-15
UASM26752 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winefred Lake
Collected ByShpeley, D.
Date Collected1985-06-15
UASM26753 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winefred Lake
Collected ByShpeley, D.
Date Collected1985-06-15
UASM26754 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Wagner Natural Area
Collected ByFinnamore, A. T.; Thormin, T.; Spanton, T. G.
Date Collected1981-06-09/1981-06-15
UASM26755 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Wagner Natural Area
Collected ByFinnamore, A. T.; Thormin, T.; Spanton, T. G.
Date Collected1981-06-09/1981-06-15
UASM26756 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Wagner Natural Area
Collected ByFinnamore, A. T.; Thormin, T.; Spanton, T. G.
Date Collected1981-06-09/1981-06-15
UASM26757 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Wagner Natural Area
Collected ByFinnamore, A. T.; Thormin, T.; Spanton, T. G.
Date Collected1981-06-09/1981-06-15
UASM26758 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Erskine
Collected ByBall, G. E.
Date Collected1951-06-05
UASM26759 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByBall, G. E.
Date Collected1953-06-06
UASM26760 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByBall, G. E.
Date Collected1953-06-06
UASM26761 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByBall, G. E.
Date Collected1953-06-06
UASM26762 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByBall, G. E.
Date Collected1953-06-06
UASM26763 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Pembina River
Collected ByBall, G. E.
Date Collected1953-06-06
UASM26764 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Dillberry Lake Provincial Park, Dillberry Lake
Collected ByBall, G. E.
Date Collected1956-06-04
UASM26765 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Flatbush
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1960-06-20
UASM26766 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Flatbush
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1960-06-20
UASM26767 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Flatbush
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1960-06-20
UASM26768 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Flatbush
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1960-06-20
UASM26769 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Flatbush
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1960-06-20
UASM26770 - Elaphrus olivaceus
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Flatbush
Collected ByAllen, R. T.; Ball, G. E.; Whitehead, D. R.
Date Collected1960-06-20