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Species Details
Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityThis species has been collected from May to July.
IdentificationMember of the politus group, with reduced number of dorsal punctures, 1-2, on the 3rd elytral interval, and the two teeth on the lateral margin of the protibiae rudimentary. Black, usually with rather strong metallic lustre; antennae piceous or yellowish brown with at least 1st segment and base of 2nd to 3rd following pale reddish (often several basal segment entirely pale); legs reddish, tibiae palest, femora darkened. Anterior margin of clypeus usually clearly bisinuate. Elytron with 1 subhumeral fovea and 2 preapical punctures. Length 4.2-5.2 mm
Scientific Name
Dyschirius sphaericollis
Habitat
Occurs on barren banks and shores of running and standing fresh water.
Seasonality
This species has been collected from May to July.
Identification
Member of the politus group, with reduced number of dorsal punctures, 1-2, on the 3rd elytral interval, and the two teeth on the lateral margin of the protibiae rudimentary. Black, usually with rather strong metallic…
Member of the politus group, with reduced number of dorsal punctures, 1-2, on the 3rd elytral interval, and the two teeth on the lateral margin of the protibiae rudimentary. Black, usually with rather strong metallic lustre; antennae piceous or yellowish brown with at least 1st segment and base of 2nd to 3rd following pale reddish (often several basal segment entirely pale); legs reddish, tibiae palest, femora darkened. Anterior margin of clypeus usually clearly bisinuate. Elytron with 1 subhumeral fovea and 2 preapical punctures. Length 4.2-5.2 mm
Life History
No information available.
Conservation
Common.
Diet Info
Both larvae and adults are predatory.
Range
This species is found throughout United States and Canada. In Alberta this species is found in the southern one third.
Citation
Page Citation for Dyschirius sphaericollis
Page Citation
"Species Details - Dyschirius sphaericollis, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2514/9-572428. Accessed 05 Jul. 2024.
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 164 specimens of this Species.
UASM353702 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1930-04-26
UASM353703 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1928-06-05
UASM353704 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1927-08-22
UASM353705 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Quebec, Berthier
Date Collected1921-06-12
UASM353706 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Quebec, Berthier
Date Collected1921-06-12
UASM353707 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1930-06-14
UASM353708 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByCarr, F. S.
Date Collected1921-07-30
UASM353709 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Massachusetts, Middlesex county, Natick
Collected ByFrost, C. A.
Date Collected1915-05-15
UASM353710 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Prince Edward county
Collected ByBrimley
Date Collected1931-06-28
UASM353711 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1923-06-24
UASM353712 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1930-06-14
UASM353713 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1928-05-18
UASM353714 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1923-06-24
UASM353715 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Collected ByCarr, F. S.
Date Collected1928-05-18
UASM353716 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Pennsylvania, Bucks county, Point Pleasant
Date Collected1914-07-26
UASM353717 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Pennsylvania, Northampton county, Easton
Date Collected1914-05-18
UASM353718 - Dyschirius sphaericollis
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Medicine Hat
Date Collected1923-06-11