Diagnosis.
Female/male. Head wider than long. Maxillary palpus longer than galea. Outer surface of galea sculptured and mat. Clypeus three times as wide as long, without median groove. Compound eyes slightly converging ventrally. Propodeal triangle rugose, with horizontal basal area.
Female. L=5.8mm. Metasoma mostly reddish. Spurs of Tb2 with 6-8 sharp outstanding spines. Outer face of Tb3 with few large, blunt, spine-like hairs. T2-T4 with black lateral spots. Prepygidial fimbria brown. Pp with a strong median carina.
Male. L=4.5mm. Body mainly black. Antennae ventrally yellowish, dorsally brown. A5 as wide as long. Scutum shiny and densely punctate (i=d). Tb3 not expanded. Terga with continous apical fringes. S6 with large medio-apical teeth nearly as long as length of disc, without medio-longitudinal groove. S7 with apical lobes diverging. S8 with large median carina; column curved. Genitalia as illustrated in Figs.