Polyrhachis (Aulacomyrma) impressa Kohout, 2007c: 224, figs. 73, 76, 79 (w.q.) NEW GUINEA (Papua New Guinea). Australasia.

Primary type information: Primary type material: holotype worker. Primary type locality: Papua New Guinea: Huon Peninsula, lower Busu River, 10.v.1955, no. 1003 (E.O. Wilson). Primary type depository: MCZC. Secondary type information: Secondary type material: 11 paratype workers, 1 paratype queen. Secondary type locality: 2 paratype workers with same data but no. 988, 1 paratype worker with same data but 27.iv.1955, no. 706, 1 paratype worker with same data but 12.v.1955, no. 1018, 7 paratype workers, 1 paratype queen with same data but 17.v.1955, no. 1054. Secondary type depositories: ANIC, BMNH, CASC, MCZC, QMBA.