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Funded in part by award DEB0447694 from the National Science Foundation to M. Caterino.

Last updated 01/16/2009

  California Beetle Project > Species Pages > Sepedophilus castaneus


Scientific name: Sepedophilus castaneus (Horn)
    Order Coleoptera
    Superfamily Staphylinoidea
    Family Staphylinidae

Images (click to enlarge)

What it looks like: 1.9-2.3 mm in length. It's body is wide near the head and narrow at the tip of the abdomen. It is yellowish-brown with very short elytra and clubbed antennae.

Where you'll find it: These beetles are a common western species ranging from Washington to California. They can be found along the coast, in the Sierras, and in the Central Valley.

Natural History: They appear under pine and oak bark and rotting forest detritus and have even been found in wood rats' nests.

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

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