Worker. Length 4 lines.-Shining black: the legs flavo-testaceous, the flagellum testaceous; the posterior angles of the head, two indistinct maculae on the prothorax above, and also the disk of the metathorax, ferruginous. The head deeply emarginate behind, very smooth and shining; the anterior margin of the clypeus widely emarginate. Thorax smooth, anteriorly rounded, posteriorly compressed. Abdomen ovate; the scale of the peduncle ovate and notched above.
Hab. Australia (King George's Sound).
