Polyrhachis ruficornis

Smith, F., 1857, Catalogue of the hymenopterous insects collected at Sarawak, Borneo; Mount Ophir, Malacca; and at Singapore, by A. R. Wallace., Journal of the Proceedings of the Linnean Society of London, Zoology 2, pp. 42-88 : 60

6. Polyrhachis ruficornis .

P. niger; antennis mandibulis pedibusque ferrugineis, abdominis squamula spinis duabus longis armata.

Female. Length 4 lines. Black: the antennae and mandibles ferruginous. Thorax elongate-ovate; wings subhyaline and iridescent, the nervures testaceous; the legs ferruginous, the coxae black. Abdomen: the base more or less ferruginous; the scale with two stout divergent spines above, which curve slightly backwards.

Hab. Borneo (Sarawak).