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Trechus


Trechus obtusus

Carabidae overview
Key to genera

Genus Trechus, Clairville 1806

Identification:
Small species (5 mm) with well developed eyes; antennae pubescent from the second segment; body color piceous to ferrugineous and nonmetallic; with dense transverse microsculpture.

Range:
Holarctic.

Natural History:
Forty species represented in North America as well as three species introduced from Europe. Species occur in shady places, and are moderately hygrophilous.

References:

Kavanaugh, D. H. 1992. Carabid beetles (Insecta: Coleoptera: Carabidae) of the Queen Charlotte Islands, British Columbia. Memoirs of the California Academy of Sciences Number 16. California Academy of Sciences, San Francisco, California, USA.

Lindroth, C. H. 1961-1969. The ground beetles (Carabidae excl. Cicindelinae) of Canada and Alaska. Parts 1-6. Opuscula Entomologica xlviii + 1192 pp.

Last updated Friday, July 21, 2006, by Lisa Ferrier