mephisto species-group
(Fig. 9)
Diagnosis. Species of this group are recognized by following characters: propodeum rounded with a small to large tooth above propodeal valvula, propodeal valvula strongly striate and shallowly incised dorsally, male clypeus very narrowly truncated apically and with longitudinal carinae, male vertex bearing an area with differentiated tegument, male F11 bacilliform, male mid femur barely depressed basally, female clypeus pyriform with coarse punctures and apical depression.