35. Polyrhachis ruficornis HNS.
Female. Length 4 lines.-Black: the antennae, mandibles, legs, and base of the abdomen, ferruginous. Thorax elongateovate; wings subhyaline and iridescent, the nervures testaceous; the coxae black. Abdomen globose, the scale of the peduncle with two stout, divergent spines above, which curve slightly backwards.
Hab. Borneo (Sarawak). (Coll. W. W. Saunders, Esq.)