Species Details
Calosoma luxatum
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityMost adults have been collected in May and June, with fewer in April and July.
IdentificationThis species, in the subgenus Callisthenes, has completely reduced hind wings and quadrate metepisternum. Deep black, seldom with bluish lustre on sides. Prothorax rather flat, strongly narrowed basally, with backwards protruding, little rounded hind angles. Elytral sculpture with transverse lines at least as strong as the striae, together producing a system of more or less convex, slightly rounded tegulae which are arranged in more or less regular rows and becoming smaller, granulate towards the apex. Length 13 to 21.5 mm.
Scientific Name
Calosoma luxatum
Habitat
A xerophilus beetle, usually occurring in complete forest-free areas, particularly on sandy prairie.
Seasonality
Most adults have been collected in May and June, with fewer in April and July.
Identification
This species, in the subgenus Callisthenes, has completely reduced hind wings and quadrate metepisternum. Deep black, seldom with bluish lustre on sides. Prothorax rather flat, strongly narrowed basally, with…
This species, in the subgenus Callisthenes, has completely reduced hind wings and quadrate metepisternum. Deep black, seldom with bluish lustre on sides. Prothorax rather flat, strongly narrowed basally, with backwards protruding, little rounded hind angles. Elytral sculpture with transverse lines at least as strong as the striae, together producing a system of more or less convex, slightly rounded tegulae which are arranged in more or less regular rows and becoming smaller, granulate towards the apex. Length 13 to 21.5 mm.
Life History
Teneral adults observed in July and August; overwintering apparently occurs in the adult stage.
Conservation
Common.
Diet Info
Predatory, particularly in the larval stage, specializing upon caterpillars and pupae of Lepidoptera.
Range
Found in the western half of United States and southern regions of western Canada. In Alberta this species has only been collected in the southeast region.
Citation
Page Citation for Calosoma luxatum
Page Citation
"Species Details - Calosoma luxatum, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-761. Accessed 25 Nov. 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 108 specimens of this Species.
UASM152939 - Calosoma luxatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Idaho, Bingham county, Blackfoot
Collected ByBarr, W. F.
Date Collected1957-04-16
UASM152940 - Calosoma luxatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Idaho, Cassia county, Malta
Collected ByBarr, W. F.
Date Collected1959-04-14
UASM152941 - Calosoma luxatum
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Idaho, Cassia county, Malta
Collected ByBarr, W. F.
Date Collected1959-04-10