• Combination in Philidris: Shattuck, 1992a: 18.
• Status as species: Santschi, 1928c: 70; Wheeler, 1935g: 35; Dlussky, 1994a: 55; Shattuck, 1994: 138; Bolton, 1995b: 334; Sarnat & Economo, 2012: 36.
• Senior synonym of Philidris nagasau agnata: Sarnat & Economo, 2012: 36.
• Senior synonym of Philidris nagasau alticola: Sarnat & Economo, 2012: 36.

Junior synonyms

• Philidris nagasau agnata (Mann, 1921)
  Obsolete combination(s): Iridomyrmex nagasau agnatus
• Philidris nagasau alticola (Mann, 1921)
  Obsolete combination(s): Iridomyrmex nagasau alticola

Obsolete combinations

• Iridomyrmex nagasau

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Dlussky, G. M. 1994a. Zoogeography of southwestern Oceania. [In Russian.]. Pp. 48-93 in: Puzatchenko, Y. G.; Golovatch, S. I.; Dlussky, G. M.; Diakonov, K. N.; Zakharov, A. A.; Korganova, G. A. 1994. Animal populations of the islands of southwestern Oceania (ecogeographic studies). [In Russian.]. Moskva: Nauka, 254 pp.
• Mann, W. M. 1921. The ants of the Fiji Islands. Bulletin of the Museum of Comparative Zoology 64:401-499. PDF
• Santschi, F. 1928c. Fourmis de îles Fidji. Revue Suisse de Zoologie 35:67-74. PDF
• Sarnat, E. M.; Economo, E. P. 2012. The ants of Fiji. University of California Publications in Entomology, Volume 132. Berkeley: University of California Press, xiii + 384 pp. PDF
• Shattuck, S. O. 1992a. Review of the dolichoderine ant genus Iridomyrmex Mayr with descriptions of three new genera (Hymenoptera: Formicidae). Journal of the Australian Entomological Society 31:13-18. PDF
• Shattuck, S. O. 1994. Taxonomic catalog of the ant subfamilies Aneuretinae and Dolichoderinae (Hymenoptera: Formicidae). University of California Publications in Entomology 112:i-xix, 1-241. PDF
• Wheeler, W. M. 1935g. Check list of the ants of Oceania. Occasional Papers of the Bernice Pauahi Bishop Museum 11(11):1-56.