Polyrhachis expressa Kohout, 2006d: 99, figs. 2B, F, G (w.) AUSTRALIA (Queensland). Australasia.

Primary type information: Primary type material: holotype worker. Primary type locality: Australia: Queensland, Cape York Peninsula, Iron Range Nat. Park, nr Gordon Creek crossing, 12°42’S, 143°18’E, 1-6.x.2000, acc. 2000.177 (R.J. Kohout). Primary type depository: QMBA. Secondary type information: Secondary type material: 269 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: AMNH, ANIC, BMNH, CASC, JCUT, LACM, MCZC, MHNG, QMBA, USNM.