Key to males of amana species-group

1. Clypeus broadly projected forward; posterior hypopygeal margin weakly concave; paramere wide in dorsal view; basal process absent................................................................................. D. amana sp. nov.

- Median clypeal lobe trapezoidal; posterior hypopygeal margin weakly convex; paramere small in dorsal view; basal process long, narrow, slightly curved............................................................... D. potyra sp. nov.