36. Polyrhachis constructor ^HNS. Pl. IV. fig. 23.

Female. Length 4 1/4 lines.-Black: head and thorax opake; legs and abdomen shining. Thorax ovate, the prothorax slightly produced laterally, forming a small tubercle, the metathorax with two short, stout, erect teeth, or spines; wings subhyaline, the nervures rufo-testaceous. Abdomen: the node of the peduncle incrassate, with three short, stout, acute spines. Abdomen subglobose.

Hab. Sarawak. (Coll. W. W. Saunders, Esq.)