Discodon nigrocephalumDiscodon nigrocephalum is a species of beetle of the family Cantharidae. This species is found in Brazil.DescriptionAdults are similar to Discodon obscurior and Discodon tenuecostatum by the general coloration. D. nigrocephalum differs from these species by the wider head, apparently nearly as wide as the pronotum, the black antennae, and the coriaceous, rough elytra, without costulae.