Size: 15-18mm

Seasonality: no data

Distribution; California

Information: no data

Description: Abdominal section approximately three times the width of the pronotum (cordate, matte black.)  Body fully matte black, immature adults which are no longer teneral may have a dull red-brown hue.   Elytral stria lined with many pits: compact-ovate, appears convex from lateral viewpoint.