Small Staphylinid beetle

Collected in Valley Springs area, Calaveras County, California. 10 January 2017.

This small staphylinid beetle, or rove beetle, is about 3 mm long, was in a bathroom wall, foraging near bathtub. They were finding many of these beetles.

It is in the tribe Xantholinini.

Thanks to Lynn Kimsey for the ID.

Click to enlarge.