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Last updated 01/16/2009

  California Beetle Project > Species Pages > Deretaphrus oregonensis

Classification

Scientific name: Deretaphrus oregonensis Horn
    Order Coleoptera
    Superfamily Cucujoidea
    Family Bothrideridae

Images (click to enlarge)

What it looks like: 9.7-11.5 mm in length. Its body is elongate and black, with a red sheen. The antennae are short and clubbed, and the elytra has striae, or shallow punctures extending in even rows down the length of the wing coverings.

Where you'll find it: This species is most common in the Pacific northwest and northern California, but it has been found in scattered places through the Sierra Nevada, and is known from the San Bernardinos.

Natural History: This is one of the few parasitic species of beetles. Its larvae are parasites of the cerambycid Asemum atrum, a type of longhorned beetle. Not surprisingly, Deretaphrus oregonesis is frequently found under dry, dead pine bark, or walking on the surface of dead trees at night.

This page was written by Maren Farnum, a 2005 California Beetle Project intern.




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