What it looks like: 2.0-2.9 mm in length. Its body is elongate, oval-shaped, and can range from dark brown to an almost black color. The elytra have deep striae, or punctured rows. It is wingless.

Where you'll find it: The species is native to the coastal ranges of California from San Diego north to San Francisco.

Natural History: These beetles can be found in dead redwood logs, under the bark of dead Douglas firs, and occasionally in leaf litter.