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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 > Tachinus semirufus


Scientific name: Tachinus semirufus Horn
    Order Coleoptera
    Superfamily Staphylinoidea
    Family Staphylinidae

Images (click to enlarge)

What it looks like: 5.5-7.5 mm in length. Its body is elongate and reddish-brown, with long, slightly clubbed antennae. Its head is dark brown and the elytra are short, exposing most of the abdomen.

Where you'll find it: This species is found mostly along the west coast of the United States and British Columbia. It does occur as far east as central Nevada, however it is more common in the coastal mountain ranges.

Natural History: These beetles are most active from May through July and are usually found in decomposing plant material and rotting mushrooms.

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

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