Cychrus tuberculatus Harris 1839

Carabidae, Coleoptera, Insecta, Arthropoda, Animalia

Matthew Denton, The Evergreen State College, Olympia, WA 98505 USA.

01 April 1997

Identification A very large (21-25.3 mm) species with a dull black body and appendages. The surface of head and pronotum with thin, raised, irregularly shaped interconnecting ridges. Elytra covered with distinct, shiny tubercles of varied size; the largest tubercles arranged in three or four longitudinal rows. Range Found on the west coast of North America, north to the Queen Charlotte Islands, south to northwestern California and east to the Cascade Range. Natural History Restricted to heavy deciduous and coniferous forests, occurring in leaf litter and under logs on forest floor.

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