Platyauchenia Stürm, 1843

Staines, C. L., 2007, A new species of Platyauchenia Stürm, 1843 (Coleoptera: Chrysomelidae: Cassidinae) from Brazil, Insecta Mundi 2007 (12), pp. 1-7 : 5

Key to the known species of Platyauchenia Stürm

1. Each elytron with three costae; sutural angle of elytra without tooth; apical angle of elytra rounded; pro-, meso-, and metasterna punctate; Brazil................... P. latreillei (Castelnau)

— Each elytron with four costae; sutural angle of elytra with small tooth; apical angle of elytra slightly emarginate; pro-, meso-, and metasterna punctate medially, rugose laterally; Brazil. ............................................................................................. P. ruficollis Staines , new species