Sinopse dos gêneros Scopadus e Omosarotes (Coleoptera, Cerambycidae, Lamiinae)

Descriptions, synonym, new combinations and key to the species of Omosarotes Pascoe, 1860 are given. The male of Scopadus ciliatus Pascoe, 1857 is described. New species described: Omosarotes ater (type locality: Santo Domingo de los Colorados, Ecuador). New synonym proposed: Acanthomerosternoplon Tippmann, 1955 with Omosarotes Pascoe, 1860. New combinations: Omosarotes nigripennis (Zajciw, 1970) (from Scopadus Pascoe, 1857), O. paradoxum (Tippmann, 1955) and O. foxi (Lane, 1973), both from Acanthomerosternoplon Tippmann, 1955.