Iridomyrmex mazaruni Donisthorpe, 1939d: 152 (w.q.) GUYANA. Neotropic.

Primary type information: Primary type material: syntype workers (number not stated, “many”), 1 syntype queen. Primary type locality: Guyana (“British Guiana”): Mazaruni Clearing, 17.ix.1937 (O.W. Richards). Primary type depository: BMNH. Type notes: MacKay, 1993b: 53, cites 9 worker, 1 queen syntypes in BMNH; Shattuck, 1994: 49, cites 22 worker, 1 queen syntypes in BMNH.