Elongate oval, very nearly twice as long as wide, outline nearly continuous. Body above and legs dull yellow, beneath black. Head with a diffuse oblique fuscous spot each side ; thorax with a small post-median discal spot and the front and rear margins narrowly infuscate at middle; elytra each with four indicated fuscous vittae which are usually largely confluent; body above and beneath shining in both sexes, the ventral segments inclining to be feebly alutaceous in the female. Front tarsi of male rather strongly dilated, basal two joints equal and evidently wider than the third, claws strongly curved, equal, stouter than in the female, the anterior one with a stout basal tooth.