New species and new records in Neoibidionini and Hexoplonini (Coleoptera: Cerambycidae: Cerambycinae).

Four new species are described in Neoibidionini (Compsina): Corimbion wappesi, from Guatemala, Zacapa; Neocompsa pilosa, from Paraguay, Itap Neocompsa soniae, from Panama, Chiriqu and Heterachthes boliviensis, from Bolivia, La Paz. New country record, Trinidad and Tobago, as well as chromatic and morphological variations are reported to Gnomidolon incisum Napp Martins, 1985 (Hexoplonini), and Compsibidion vandenberghei Heffern, Santos-Silva Nascimento, 2018 (Neoibidionini, Neoibidionina). Additionally, a key to species of Corimbion Martins, 1970 are provided, and the two new species of Neocompsa Martins, 1965, and the new species of Heterachthes Newman, 1840 are included in a previous key.