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.