Diagnosis.
Female/male. Head wider than long. Labial palpus, maxillary palpus and glossa of similar lengths. Maxillary palpus shorter than galea. Outer surface of galea mat and sculptured. Clypeus twice as wide as long; with narrow median groove. Compound eyes converging slightly below. Posterior part of propodeal triangle glabrous.
Female. L=7.6mm. Clypeus glabrous with few weak punctures (i>3d). Mesoscutum and scutellum shiny, densely punctate (i=d). Basal part of propodeal triangle transversally carinate to granulose. Propodeum shiny. Legs 1-3 with yellowish hairs. Spurs of Tb2 with eight sharp outstanding spines. T1-T3 black and mat, with apical fringes. T1 with apical fringe sparser medially, sometimes interrupted. Prepygidial fimbria brown. Pp with median area strongly elevated.
Male. L=7.0mm. Body black. Clypeus covered with long, white, appressed hairs. Antennae ventrally reddish, dorsally brownish. S2-S4 with white, apical fringes. S3-S4 apically emarginated. S6 with wide medio-apical teeth. S8 with large median carina; column curved; apical plate oval shaped. S7-S8 and genitalia as illustrated in Figs.