Polyrhachis tibialis

Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London: British Museum : 63-64

21. Polyrhachis tibialis . B.M.

Worker. Length 2 1/4 lines.-Black: covered with a fine short slightly golden pubescent pile, the tibiae and flagellum ferruginous. Head: the basal joints of the flagellum fusco-ferruginous. Thorax: a short stout spine at each of the anterior angles, and a much longer one at the posterior angles; the thorax is convex above. The scale of the peduncle incrassate, quadrate, and with a long acute spine curving backwards and outwardly over the abdomen on each side. Abdomen globose, and having a much finer and brighter pile than the head and thorax.

Hab. Burmah.

Very like P. dives ; the thorax is however shorter, broader, and much more convex above; the spines on the metathorax are also much longer.