• [Unresolved junior secondary homonym of Pheidole inquilina Wheeler, 1903h (Bolton, 1995b: 323).]
• Status as species: Kutter, 1968c: 203; Baroni Urbani, 1971c: 93.
• Junior synonym of Pheidole pallidula: Bolton, 1987: 291; Bolton, 1995b: 323; Radchenko, 2016: 175; Seifert, 2016b: 13.

Obsolete combinations

• Xenoaphaenogaster inquilina

Citations

• Baroni Urbani, C. 1964b. Studi sulla mirmecofauna d'Italia. II. Formiche di Sicilia. Atti dell'Accademia Gioenia di Scienze Naturali (6)16:25-66. PDF
• Baroni Urbani, C. 1971c. Catalogo delle specie di Formicidae d'Italia (Studi sulla mirmecofauna d'Italia X). Memorie della Società Entomologica Italiana 50:5-287. PDF
• Bolton, B. 1987. A review of the Solenopsis genus-group and revision of Afrotropical Monomorium Mayr (Hymenoptera: Formicidae). Bulletin of the British Museum (Natural History). Entomology 54:263-452. PDF
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Kutter, H. 1968c ("1967"). Liste sozialparasitischer Ameisen. Archives. Institut Grand-Ducal de Luxembourg (n.s.)33:201-210.
• Radchenko, A. G. 2016. Ants (Hymenoptera, Formicidae) of Ukraine. National Academy of Sciences of Ukraine. Kiev: I. I. Schmalhausen Institute of Zoology, 496 pp.
• Seifert, B. 2016b. Inconvenient hyperdiversity – the traditional concept of “Pheidole pallidula” includes four cryptic species (Hymenoptera: Formicidae). Soil Organisms 88 (1):1-17. PDF