Evergreen Natural History Database

Carabidae overview
Key to genera

Identification:
Distinguishing feature for this genus is the pedunculate body. Prothorax and elytra separated by a peduncle on which the scutellum is situated. Mandibles strongly protruding, almost straight; antennal insertion visible from above; no furrow below the eye for receiving the first antennal segment; clypeus with a pair of setigerous punctures; first antennal segment with apical seta; elytra without dorsal punctures. Hind wings rudimentary.

Range:
Pacific parts of North America.

Natural History:
The pedunculate body form of this genus allows greater mobility to the prothorax because its hind margin does not come in contact with the elytra.

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 Thursday, July 20, 2006, by Lisa Ferrier