WARD, P. S. (2017) “A review of the <em>Pseudomyrmex</em> <em>ferrugineus</em> and <em>Pseudomyrmex</em> <em>goeldii</em> species groups: acacia-ants and relatives (Hymenoptera: Formicidae)”, Zootaxa. Auckland, New Zealand, 4227(4), pp. 524–542. doi: 10.11646/zootaxa.4227.4.3.