Diagnosis. Female and male. Labrum semicircular. Flagellum dorsally brownish, ventrally yellow. Pronotum brown in the middle; margins yellow. Mesoscutum black, with few short erect white hairs. Mesepisternum black. Propodeum black, smooth and shiny. Anterior part of propodeum weakly rugose; with a minute median groove. Propodeal triangle with smooth and shiny apical area. Discs of T1-T5 glabrous. Female. Head entirely black (clypeus apex yellow in some specimens), weakly punctate, cuticle smooth, with few white erect hairs, mainly around antennal sockets. Labial palpus as long as glossa, half as long as maxillary palpus. Galea tapering; surface smooth and shiny, weakly punctate; distance between punctures wider than puncture diameter. Maxillary palpus as long as galea. Clypeus hairless. Flagellum twice as long as scape. Genal area black covered with white short appressed hairs. Scutellum and axilla yellow. F1-F3 yellow with brown spots. Discs of T1-T5 yellow on basal half; brown on apical half. S3-S5 with straight premarginal line. Male. Clypeus, face and vertex with white erect hairs. Mesoscutum, propodeum and propodeal triangle black. External face of Tb3 and Bt3 with small reddish spots at the base of hairs. T1-T6 with a median black stripe; basal and apical margins yellow. Gonostyli longer than penis valve.