Published online by Cambridge University Press: 31 May 2012
♀—Length 6.5 mm. Form of cinereus: Head narrower than pronotum. Vertex distinctly angulate, a little longer than half width between eyes or half the length of pronotum; nearly flat, slightly broadly depressed on either side, the edge distinctly compressed. Front a half longer than wide, nearly two and a half times the length of the clypeus, sides rather strongly incurved at antennal sockets. Clypeus gradually enlarged towards the truncate tip, its length once and a half the width at tip, Width of pronotum nearly two and a half times the length, surface neither punctured or wrinkled.