Three new species are described in Acanthocinini (Lamiinae): Leptostylus wappesi sp. nov., from Honduras; Leptostylus densepunctatus, sp. nov., from Mexico (Guerrero); and Pseudastylopsis aenigma sp. nov., from Mexico (Guerrero and Jalisco). Two species of Elaphidiini (Cerambycinae) represent new state records in Mexico: Anelaphus hirtus Chemsak & Noguera, 2003 (Michoacán); and Cicatrisphaerion wappesi Lingafelter, Morris, Skillman & Santos-Silva, 2021 (Yucatán).