Size: 9-11.6mm

Seasonality: March-October

Distribution; OR-CA-TX-OK, s. to Oaxaca, MX

Information: attracted to UV, Mercury Vapour, and porch/street lamps; may be found along streams abundantly at night and under rocks during both the day and night.

Description: body: elongate-oblong, robust. Head, pronotum, scutellum and elytral scutellar margins, as well as all appendages relatively dark orange or reddish; elytra dull metallic blue.  Head weakly-triangular, "neck" elongated and somewhat constricted beginning behind the eyes. The neck should be sparsely pubescent, all setae rather short and thick: dark. Eyes large, bulging laterally; 2 setae (of normal supraorbital seta length for typical Carabidae) should be found over each eye. Frons irregularly wrinkled, shallow.  Scapus and pedicel orange, rest of antennae dark, antennal pubescence begins on the pedicel. Pronotum small, about as long and broad as the head; median line strong, with many overlapping, shallow wrinkles across the entire pronotal disk.  Front margin rounded; front angles acute, nearly squared; lateral margins strongly sinuate; basal margin straight; hind angles acute, pointed outward. Lateral margins beaded. Most of the scutellum exposed; elytral shoulders much broader than the pronotal base. 7-8 weak carina per elytron, intervals wide, concave. Elytral disk coated in very fine pubescence; elytral region quadrate, humeral shoulders obtuse; apices rounded, then truncate nearest to the elytral suture. Epipleura shoudl be rather broad. Ventral faces of the head and thorax pale orange, coated in fine pubescence; ventral faces of the abdominal region very dark orange, nearly brown, with dense pubescence. Limbs pubescent.