Monomorium flavonigrum Heterick, 2001: 392, figs. 31, 65, 71 (w.eq.) AUSTRALIA (Western Australia). Australasia.

Primary type information: Type-material: holotype worker. Type-locality: Australia: Western Australia, Woongondy (= Wongoondy), 19.v.1963 (C. Mercovich). Type-depository: ANIC. Secondary type information: Paratype-material: 12 paratype workers, 1 paratype ergatoid queen. Paratype-locality: 2 paratype workers, 1 paratype ergatoid queen with same data as holotype, 10 paratype workers Western Australia, Tardun, 90 mi. E Geraldton (via Mullewa), 400 ft, 10.i.1963 (C. Mercovich). Paratype-depositories: ANIC, BMNH, MCZC.