rasissimus species­group

Diagnosis. — Metasomal tergite II with median depression very shallow, nearly imperceptible, very large, occupying the two median thirds of the width of the tergite and reaching broadly the posterior margin of the tergite I, and half­moon­shaped, paramere deeply divided medially, forming two distinct lobes.

Comments. — This group is composed of D. rasissimus Azevedo, 1999 and D. bilobatus Azevedo, 1999, which ranges from southern Mexico to Costa Rica.