Carabidae: Pterostichus herculaneus

Pterostichus herculaneus Mannerheim 1843

Carabidae, Coleoptera, Insecta, Arthropoda, Animalia

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

01 April 1997

Identification

A medium sized, species (13.5-17 mm) which can be recognized by the laterobasal carina of the prothorax. Prothorax flat and broad with broadly protruding front angles, and with small, well impressed outer basal fovea; frons with sharply delimited raised triangular area behind clypeus; body black to light black; outer portion of antennae and protarsi paler than body.

Range

Found along west coastal North America from Oregon to British Columbia, and inland west of the Rockies.

Natural History

Occurs in dense, dry conifer or mixed forests, mostly under logs. Hibernation may take place in larval stage. On TESC campus, found in mixed, broadleaf and conifer woods.

References

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