Black Stink Bug, Coptosoma xanthogramma (Plataspidae)
Keokea Beach Park, Hawaii
An introduced pest of legumes.
Reference:
Beardsley J.W., and Fluker, S. 1967. Coptosoma xanthogramma (White), (Hemiptera: Plataspidae) a new pest of legumes in Hawaii. Proceedings of the Hawaiian Entomological Society 19:367-372.