New taxa described: Acanthoderini, Nesozineus osorioensis sp. nov., from Brazil (Rio Grande do Sul); Calliini, Drycothaea clara sp. nov., from Brazil (Rondônia) and Drycothaea hovorei sp. nov., from Ecuador (Napo); Forsteriini, Itacolomi gen. nov., type-species I. letiziae sp. nov., from Brazil (Minas Gerais); Yapyguara, gen. nov., type-species Y. fusca sp. nov., from Bolivia (Santa Cruz); Xenofreini, Xenofrea zischkai sp. nov., from Ecuador (Napo) and Bolivia (Santa Cruz).
Acanthoderini; Calliini; Forsteriini; taxonomy; Xenofreini
