Novos táxons de Lamiinae (Coleoptera, Cerambycidae) da América do Sul

new taxa described: acanthoderini, nesozineus osorioensis sp. nov., from brazil (rio grande do sul); calliini, drycothaea clara sp. nov., from brazil (rond？nia) 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).