Form elongate, subparallel, depressed. Color blackish piceous. Integuments above finely alutaceous, moderately shining. Head with a few scattered, coarse punctures, more numerous laterally. Thorax with sparsely scattered, coarse punctures ; elytra punctured as given in the key. Head slightly more than half the width of thorax, not twice as wide as long. Preocular lobes very prominent, oblique; clypeal suture not distinct. Antennae broken, probably surpassing the anterior coxae. Thorax twice as wide as long; apex emarginate; anterior angles somewhat prominent, rounded; sides rather strongly arcuate and convergent anteriorly ; posterior angles rounded, broadly and strongly biimpressed basally ; base finely and completely margined; median line fine, much abbreviated; a faint trace of a median carina near the apex. Elytra two and one-half times the length of thorax, rather more than one-half longer than wide; sides distinctly convergent behind the middle ; suture feebly elevated near the apex ; apices feebly subtruncate, inner angles moderately rounded. Length, 10.25 mm. ; width, 4.35 mm.
Type.—Female. Australia. Collection of the British Museum.