Carabidae, Coleoptera, Insecta, Arthropoda, Animalia
Matthew Denton, The Evergreen State College, Olympia, WA 98505 USA.
01 April 1997
| Genus key | species list | B. ferrugineus |
Identification
Small species (3.8-6.5mm) which are separable from other carabids of this size by the structure of the mouth parts. Mandibles are highly asymmetric, either the right or left with a transverse notch; labrum is cleft almost to base; clypeus slightly asymmetric, and emarginate. Terminal segment of the maxillary palp slender and cylindrical; antennae pubescent from the third segment; prothorax short with sides not sinuate before the rounded angles. Third interval of the elytra has two dorsal punctures; meso-tarsi and meta-tarsi with double carina on dorsum; sutural striae of elytra non-recurrent; wings full.
Range
Nearctic.
Natural History
Species occur in shady, moist soil and leaves.
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.
For information about this page: John T. Longino longinoj@evergreen.edu
Last modified: 04/01/1997