New names proposed: Beaveriella nom. nov. for Beaveria Lane, 1970, pre-occupied by Beaveria Lee, 1965 (Trematoda, Troglotrematidae); Monnechroma nom. nov. for Xenochroma Schmidt, 1924, pre-occupied by Xenochroma Warren, 1902 (Lepidoptera, Geometridae). Consequently, the following new combinations are made: Beaveriella nacta (Lane, 1970) comb. nov., B. sagda (Monné & Martins, 1972) comb. nov., Monnechroma azurea (Demets, 1976) comb. nov., M. seabrai (Fragoso & Monné, 1989) comb. nov., M. subpulvereum (Schimidt, 1924) comb. nov., M. tibialis (Giesbert, 1987) comb. nov., and M. uniforme (Gounelle, 1911) comb. nov..
Beaveriella; Cerambycinae; Monnechroma; nomenclatural changes; taxonomy