What it looks like:
8-10 mm in length. Its body is smooth, robust, and oval-shaped. It is a deep, dark brown color and has long, slender antennae.
Where you'll find it: This species can be found from central California to southwestern Oregon.
Natural History: These beetles can live in several different habitats, including prairies and oak-pine woodlands. While other species in the family primarily feed on mosses, A. dentipes feeds on succulent leaves, meadow herbs, and deciduous shrubs. They have also been known to damage the occasional vegetable and flower garden, and to take up residence in weedy lawns.