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Pterostichus herculaneus
Carabidae overview >> Pterostichus overview
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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.
Last updated Thursday, July 20, 2006, by Lisa Ferrier
