amplus species-group, new species-group

Diagnosis. Male. Head regularly wide. Mandible regularly long. T2 without tergal process. Aedeagal ventral ramus without apical filament. Aedeagal dorsal body without apical flagellae.

Remarks. This species-group contains five species: D. amplus Redighieri & Azevedo, 2006, Dissomphalus clovisi sp. nov., Dissomphalus kuara sp. nov. Dissomphalus pyata sp. nov., and Dissomphalus miriamae sp. nov., all from Espírito Santo.

Distribution. Brazil (Espírito Santo).