Notes and descriptions on Acanthoderini (Coleoptera, Cerambycidae, Lamiinae). I. New taxa and new records. New taxa described: Zikanita egregia, sp. nov. from Bolivia (Santa Cruz); Dufauxia thomasi sp. nov. from Bolivia (Santa Cruz); Irundisaua punctata sp. nov. from Colombia (Cauca); Cotyzineus gen. nov. type species C. bruchi (Melzer, 1931) comb. nov. New records: Zikanita argenteofasciata (Tippmann, 1960) for Brazil (Maranhão); Cotyzineus bruchi for Bolivia (Santa Cruz). New synomym: Ateralphus diringsi Martins & Monné, 1993 = A. javariensis Lane, 1965.
Ateralphus; Cotyzineus; Dufauxia; Irundisaua; Zikanita