Polyrhachis sculpturatus

Smith, F., 1860, Descriptions of new species of hymenopterous insects collected by Mr. A. R. Wallace at Celebes. (Part Formicidae), Journal of the Proceedings of the Linnean Society of London, Zoology 5, pp. 57-93 : 70-71

4. Polyrhachis sculpturatus .

P. capite, thoraee abdommeque delicatule aeiculatis; thoraee spinis duabus elongatis acutis antice armato; abdominis squamula spinis duabus longis acutis, atraque ad basin minute unispinulosa.

Female. Length 43/4 lines. Black, and very finely striated longitudinally; the eyes as well as the front of the head prominent; the mandibles shining and longitudinally striated. Thorax short and very convex above, armed in front with two stout acute spines; the wings fusco-hyaline, the nervures rufo-testaceous, the stigma black. The peduncle of the abdomen with two stout, upright, acute spines; at the base of each, outside, is a short minute spine. The entire insect thinly covered with erect black pubescence, which is most dense on the abdomen; the abdomen has also a thin covering of shorter pale pubescence.

Worker. Length 4 lines. Closely resembling the female, but with the thorax flat above, the lateral margins being slightly notched at the divisions between the pro-, meso- and metathorax; otherwise like the female.

Hab. Makassar.