Ypomacena

Martins, Ubirajara R., Galileo, Maria Helena M. & Santos-Silva, Antonio, 2016, Five new species, one new genus, two synonymies, and new distributional records in Cerambycidae (Coleoptera), Zootaxa 4078 (1), pp. 320-333 : 324

Key to species of Ypomacena

1. Pronotum distinctly convex at disc; elytral basal gibbosity somewhat small, conical or sub-conical (sometimes slightly elongate), and low; elytra with small, slightly elevate gibbosity about middle (sometimes absent). Brazil (Bahia, Minas Gerais, Espírito Santo).......................................................................... Y. monnei sp. nov.

- Pronotum flattened at disc; elytral basal gibbosity large, elongate, very elevate; elytra with distinct gibbosity about middle. Brazil (Rio de Janeiro)................................................................... Y. gibbosa sp. nov.