laticephalus species-group

Diagnosis. Male. Mandible unusually long. Head with vertex strongly angled or unusually wide. Sides of head parallel or slightly divergent below. T2 with tergal process absent or very small.

Remarks. This species-group contains five species: D. contractus, D. laticephalus, D. lobicephalus and D. mandibulatus described by Azevedo (2003) and D. cristatus Redighieri & Azevedo, 2004, the latter species is recorded from Espírito Santo.

Distribution. Brazil (Amazonas, Acre, Espírito Santo, São Paulo, Paraná) and Peru.