Megacyllene Casey (Coleoptera. Cerambycidae): new synonyms and description of a new species. Megacyllene ebenina sp. nov. is described from Brazil (Santa Catarina). New synonyms: M. castroi (Prosen, 1947), comb. nov., stat. nov. = M. (M.) cryptofrasciata Di Iorio, 1998 syn. nov.; M. trifasciata Viana, 1994 = M. (Sierracyllene) tafivallensis Di Iorio, 1998 syn. nov.
Cerambycinae; Clytini; Megacyllene; new species; new synonyms