Carabidae, Coleoptera, Insecta, Arthropoda, Animalia
Matthew Denton, The Evergreen State College, Olympia, WA 98505 USA.
01 April 1997
|species list|genus key| N. eschscholtzi |
Identification
No lateroventral processes on maxilla; setae inserted directly on ventral maxillary surface; prothorax very short, small with strongly arcuate sides, usually constricted at base, and often cordiform. Elytra with nine complete and one abbreviated scutellar stria; third interval always having two or more setigerous dorsal punctures.Range
Holarctic.Natural History
This genus is adapted to cold and represented in northern and mountain regions; fifty-five species found in North America. Many are strongly hygrophilous, but confined to stony, barren margins of running waters. These beetles are carnivorous and nocturnal.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