1. Meranoplus spinosus ^HNS.

M. castaneo-rufus; abdomine nigro, thorace sexspinoso; abdomine ovato.

Worker. Length 1 1 / 2 line. Head and thorax rugose; the antennae and tarsi rufo-testaceous; the eyes rather prominent, the groove above them at the sides of the head extending backwards to the vertex. Thorax: the anterior margin curved forwards, the lateral angles produced into a bifurcate process on each side, behind the processes, slightly narrowed to the base of a long curved tooth; the posterior margin emarginate with a long sharp spine at each angle of the emargination; the node of the petiole globose. Abdomen black, smooth and shining.

Hab. Aru.