Form elongate, parallel, cylindrical. Color dark rufo-piceous. Integuments finely alutaceous, rather feebly shining. Head and thorax with fine, irregularly scattered punctures. Elytra finely and sparsely punctured with four rows of widely separated coarse punctures; the three outer rows much abbreviated basally. Head large, three-fourths the width of thorax, twice as wide as long. Preocular lobe not at all prominent ; clypeal suture obsolete. Antennae moderate in length, slightly surpassing the anterior coxae. Thorax one- half wider than long, as wide or slightly narrower than elytra, sides straight and parallel behind the middle, feebly convergent and arcuate anteriorly. Apex feebly emarginate; anterior angles not prominent, posterior angles rounded ; a faint median carina at base; base feebly margined medially. Elytra two and one-half times as long as the thorax, twice as long as wide; sides parallel or slightly divergent posteriorly, straight to apical three-fourths; margins finely reflexed; suture feebly elevated apically; apices obliquely truncate; outer angles broadly rounded, inner moderately rounded. Length, 8 mm.; width 3 mm. Male.—Densely pubescent spot on the middle of the fourth and fifth segments, broad, a little more than one-fourth the width of the segment.
Type.—Male. Tucson, Arizona. June 22 (Coll. Hubbard and Schwarz). Cat. No. 26170, U.S.N.M.