About 22-25 millimeters in length, dark metallic blue-green with yellow edges.
Found in riparian area with oak, agave, prickly-pear cacti, and other relatively lush vegetation typical of higher elevation Sonoran Desert.
Identification by Arthur V. Evans, on site. The larvae of these beetles bore in the stalks of sotol (yucca family). Found on the grounds of the Santa Rita Experimental Range research station in Florida Canyon.