New taxa of Cerambycinae (Coleoptera, Cerambycidae) from South America. Eight new taxa are described: Periboeum spinosum sp. nov.; Cotyperiboeum gen. nov., type species, C. antennarium sp. nov.; Rhomboidederes iuba sp. nov. (Elaphidionini from Bolivia); Hexoplon bellulum sp. nov. (Hexoplonini from Bolívia); Alienus gen. nov., type species, A. curiosus sp. nov. (Eligmodermini from Brazil); Phaedinus rubrus sp. nov. (Trachyderini, Trachyderina from Ecuador).
Elaphidionini; Eligmodermini; Hexoplonini; Taxonomy; Trachyderini
