Polyrhachis arborea Kohout, 2008a: 303, figs. 10C-D (w.) INDONESIA (Sulawesi). Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Indonesia: Sulawesi Tengah, nr Morowali, Ranu River area, 27.i.-20.iv.1980, BM 1980-280 (M.J.D. Brendell). Primary type depository: BMNH. Secondary type information: Secondary type material: 16 paratype workers. Secondary type localities: 14 paratype workers with same data as holotype, 1 paratype worker Sulawesi Utara, Dumoga-Bone Nat. Park, 9-16.v.1985 (N.E. Stork, et al.), 1 paratype worker with same data as last but 230 m., 2.xii.1985. Secondary type depositories: ANIC, BMNH, MCZC, QMBA.