Diagnosis.
Female/male. Head wider than long, vertex gently convex in frontal view. Labial palpus two-thirds as long as maxillary palpus, reaching to apex of glossa. Maxillary palpus a little longer than galea. Outer surface of galea smooth. Compound eyes slightly converging ventrally. Clypeus two and a half times as wide as long, with medio-longitudinal groove, densely punctate (i=d).
Female. L=5.8mm. Clypeus, mesoscutum and scutellum shiny (some specimens with short appressed hairs). Propodeal triangle mostly shiny. Propodeum shiny. Legs 1-3 with white or pale yellow hairs. Spurs of Tb2 with tiny spines. Scopa sparsely pubescent. Apical hair band on T1 interrupted medially to continuous. T1-T5 reddish. T2-T4 with brown spot on foveae. Prepygidial fimbria yellowish. Pp with a pair of median, subparallel carinae, proximal region in area between these carinae narrow and weakly depressed mediolongitudinally; tapering to apex.
Male. L=3.8mm. Integument blackish, including antennae and legs. Eyes not prominent. Scutum and terga deeply punctate. Scutellum shiny, moderately punctate (i=d). Tb3 with inner apical tooth. Disc of T2-4 with basal concavity. S6 with medio-apical curved blade. S7 disc very large. S8 with short column; apical plate flattened. Genitalia as illustrated in Figs.