basidentatus species­group

Diagnosis. — Male. Clypeus with only median tooth, metasoma with median tergal processes, median depression rounded, large and deep, with pair of lateral hairy tubercles, tubercles much directed toward each other.

Comments. — This South American group is composed of D. rotundus Azevedo, 1999, D. cerutus Azevedo, 1999 and D. basidentatus Azevedo, 1999 .