Worker. HW 0.85 - 1.55; HL 0.85 - 1.55; PW 0.60 - 1.05. Black to dark brown; glossy; propodeum hemispherically domed; all surfaces excepting under head covered with erect long setae; node summit sharp; dimorphic. Major worker. Head sides straight, feebly tapering forward; clypeus tapering to a narrow convex anterior margin, in lateral view anterior clypeus straight, smoothly truncated from convex posterior clypeus. Minor worker. Head sides straight tapering forward; clypeus wide, anterior margin convex projecting.
