5. Polyrhachis longipes HNS.
P. niger; flagelli dimidio apicali tibiisque anticis pallide ferrugineis, prothorace petiolique squamula bidentatis.
Worker. Length 3 lines. Black; the head and thorax finely rugose; the antennae elongate, longer than the insect; the apical half of the flagellum pale ferruginous. Thorax rounded above, the sides not margined; two spines on the thorax anteriorly, two on the metathorax, and two on the scale of the petiole; the legs elongate, with the anterior tibiae ferruginous. Abdomen globose, sometimes rufofuscous, or the base obscurely rufous.
Hab. Aru.