Key to males of secretus species-group

1. Median clypeal lobe subtrapezoidal; paramere short in dorsal view.............................................. 2

- Clypeus short; paramere wide in dorsal view.................................................. D. secretus sp. nov.

2. Mandible tridentate; posterior hypopygeal margin straight; basal process with two projections with apex straight; apodeme extending beyond genital ring.............................................................. D. mirim sp. nov.

- Mandible bidentate; posterior hypopygeal margin weakly concave; basal process ill defined; apodeme not extending beyond genital ring............................................................................. D. cacirus sp. nov.