Platybrotica misionensis a new genus and species of Luperini (Coleoptera: Chrysomelidae: Galerucinae) from Argentina

Abstract

A new genus and species of Galerucinae, Platybrotica misionensis, is described from northeast Argentina (Misiones Province). This monotypic genus is characterized by the antennomeres 6-10 ventrally excavated, genal space equal to one-fourth to less than one-half of maximum ocular diameter, elytra with 2 posthumeral costae, and internal sac of aedeagus with 5 sclerites, and is assigned to the Diabroticites, a section of the subtribe Diabroticina, tribe Luperini. Adults have been found associated with wild and cultivated Cucurbitaceae.