secretus species-group, new species group
Diagnosis. Male. T2 with lateral depressions or not, well-defined side pits, circular-shaped, higher edges, tubercle below surface of tergite, many setae at apex, bristles on edge depressions or not.
Remarks. This species-group contains four species: Dissomphalus cacirus sp. nov., Dissomphalus mirim sp. nov. and Dissomphalus secretus sp. nov., all from Espírito Santo.
Distribution. Brazil (Espírito Santo).