• Lectotype designation: Wilson, 2003a: 537 (invalid).
• Status as species: Mayr, 1887: 592 (in key); Dalla Torre, 1893: 90; Forel, 1895b: 128; Emery, 1906c: 151; Forel, 1908: 370; Forel, 1912g: 227; Forel, 1912o: 55; Donisthorpe, 1915f: 338; Luederwaldt, 1918: 44; Emery, 1922c: 101; Stärcke, 1926a: 86 (in key); Borgmeier, 1927c: 82; Donisthorpe, 1927c: 389; Borgmeier, 1937b: 232; Kusnezov, 1952d: 61 (in key); Kempf, 1960f: 436; Kempf, 1972b: 193; Bolton, 1995b: 322; Wilson, 2003a: 537 (redescription); Wild, 2007b: 34; Bezděčková et al., 2015: 119; Guerrero et al., 2018: 247.
• Senior synonym of Pheidole humilis: Kempf, 1960f: 463; Kempf, 1972b: 193; Bolton, 1995b: 322; Wilson, 2003a: 537.
• Senior synonym of Pheidole gertrudae leonhardi: Wilson, 2003a: 537.
• Senior synonym of Pheidole gertrudae loretensis: Wilson, 2003a: 537.

Junior synonyms

• Pheidole gertrudae leonhardi Forel, 1901
• Pheidole gertrudae loretensis Santschi, 1933
• Pheidole humilis (Borgmeier, 1930)
  Obsolete combination(s): Megalomyrmex humilis

Citations

• Bezděčková, K.; Bezděčka, P.; Machar, I. 2015. A checklist of the ants of Peru. Zootaxa 4020:101-133. PDF
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Borgmeier, T. 1927c. Catalogo systematico e synonymico das formigas do Brasil. 2 parte. Subf. Pseudomyrminae, Myrmicinae, Formicidae. Archivos do Museu Nacional (Rio de Janeiro) 29:69-164. PDF
• Borgmeier, T. 1937b. Formigas novas ou pouco conhecidas da América do Sul e Central, principalmente do Brasil (Hym. Formicidae). Archivos do Instituto de Biologia Vegetal (Rio de Janeiro) 3:217-255. PDF
• Dalla Torre, K. W. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. PDF
• Donisthorpe, H. 1915f. British ants, their life-history and classification. Plymouth: Brendon & Son Ltd., xv + 379 pp. PDF
• Donisthorpe, H. 1927c. British ants, their life history and classification (2nd edn.). London: G. Routledge and Sons, xvi + 436 pp.
• Emery, C. 1906c ("1905"). Studi sulle formiche della fauna Neotropica. XXXVII. Bullettino della Società Entomologica Italiana 37 (1905):107-194. PDF
• Emery, C. 1922c. Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [part]. Genera Insectorum 174B:95-206. PDF
• Forel, A. 1886b. Espèces nouvelles de fourmis américaines. Annales de la Société Entomologique de Belgique 30:xxxviii-xlix. PDF
• Forel, A. 1895b. A fauna das formigas do Brazil. Boletim do Museu Paraense de Historia Natural e Ethnographia 1:89-139. PDF
• Forel, A. 1908. Ameisen aus Sao Paulo (Brasilien), Paraguay etc. gesammelt von Prof. Herm. v. Ihering, Dr. Lutz, Dr. Fiebrig, etc. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 58:340-418. PDF
• Forel, A. 1912g. Formicides néotropiques. Part III. 3me sous-famille Myrmicinae (suite). Genres Cremastogaster et Pheidole. Mémoires de la Société Entomologique de Belgique 19:211-237. PDF
• Forel, A. 1912o. Einige neue und interessante Ameisenformen aus Sumatra etc. Zoologische Jahrbücher. Supplement 15("Erster Band"):51-78. PDF
• Guerrero, R. J.; Fernández, F.; Escárraga, M. E.; Pérez-Pedraza, L.; Serna, F.; Mackay, W. P.; Sandoval, V.; Veraga, V.; Suárez, D.; García, E. I.; Sánchez, A.; Meneses, A.D.; Tocora, M.C.; Sosa-Calvo, J. 2018. New records of myrmicine ants for Colombia. Revista Colombiana de Entomología 44:238-259. 10.25100/socolen.v44i2.7115 PDF
• Kempf, W. W. 1960f. Miscellaneous studies on Neotropical ants (Hymenoptera, Formicidae). Studia Entomologica (n.s.)3:417-466. PDF
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Kusnezov, N. 1952d ("1951"). El género Pheidole en la Argentina (Hymenoptera, Formicidae). Acta Zoologica Lilloana 12:5-88. PDF
• Luederwaldt, H. 1918. Notas myrmecologicas. Revista do Museu Paulista 10:29-64. PDF
• Mayr, G. 1887. Südamerikanische Formiciden. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 37:511-632. PDF
• Stärcke, A. 1926a. Determineertabel voor werkmieren uit Nederland en omliggend gebied, met inbegrip der in kassen zich voortplantende exoten. Levende Natuur 31:79-95, 117-125, 146-151. PDF
• Wild, A. L. 2007b. A catalogue of the ants of Paraguay (Hymenoptera: Formicidae). Zootaxa 1622:1-55. PDF
• Wilson, E. O. 2003a. Pheidole in the New World. A dominant, hyperdiverse ant genus. Cambridge, Mass.: Harvard University Press, [ix] + 794 pp.