Diagnosis. Female and ale. Length = 5mm. Head black, twice as long as broad; few white erect hairs on vertex and around antennal sockets. Labial palpus elongated, longer than glossa, twice as long as maxillary palpus. Galea shiny, semi-circular, tapering narrowly rounded. Labrum long, smooth and shiny. Clypeus with yellow apical margin. Genal area black, covered with white short appressed hairs. Mesosoma black, with white short appressed hairs. T1-T5 with apical hair bands. Disc of T1-T5 glabrous. Female. Flagellum twice as long as scape. Flagellum dorsally brown, ventrally reddish. F1 yellow, black at the base. Legs 2-3 yellow. Metasoma brownish. S1-S4 with premarginal line weakly emarginate. Male. Flagellum three times as long as scape. Flagellum dorsally brown, ventrally reddish. F1-F3 black. Tb1-Tb3 black with yellow apex. Tarsi 1-3 yellow. Metasoma black. T2-T4 with lateral patches of short appressed hairs. Genitalia as figured in Popov (1940).