A new species of Eublaberus (E. serranus sp. nov), also a new record for the genus in Southern Brazil, is described based on the male genitalia. The name Eublaberus variegata is corrected to Eublaberus variegatus Rocha e Silva Albuquerque, and the male of the species is described. Illustrations of the genitalia of the two species mentioned are presented and a key to species is also given.
Blattaria; morphology; diversity; new taxon; taxonomy
