Punctures on basal third of the elytra (character 20) observed among the species included in the cladistic analysis. 13–14, Punctures irregularly distributed, represented by Ateralphus subsellatus and Exalphus leuconotus, respectively; 15, punctures arranged in longitudinal rows, represented by Alphus tuberosus.

 
 
  Part of: Souza DS, Monné ML, Marinoni L (2017) Phylogeny of the Neotropical longhorn beetle genus Ateralphus (Coleoptera: Cerambycidae: Lamiinae). Zoologia 34: 1-11. https://doi.org/10.3897/zoologia.34.e11996