• Wheeler & Long, 1901: 163, 173 (m.q., respectively); Wheeler & Wheeler, 1984a: 273 (l.)
• Combination in Eciton (Neivamyrmex): Smith, 1942c: 555.
• Combination in Neivamyrmex: Borgmeier, 1953: 5.
• Subspecies of Neivamyrmex californicus: Emery, 1895d: 259 (description); Pergande, 1896: 874.
• Status as species: Emery, 1900e: 186; Wheeler & Long, 1901: 163; Wheeler, 1904f: 300; Wheeler, 1908h: 411; Emery, 1910b: 25; Wheeler, 1910a: 562; Wheeler, 1913d: 113; Smith, 1930a: 2; Wheeler, 1932a: 2; Smith, 1938b: 158; Smith, 1942c: 555 (redescription); Buren, 1944a: 280; Creighton, 1950a: 74; Smith, 1951c: 781; Cole, 1953d: 84; Borgmeier, 1955: 502 (redescription); Smith, 1958c: 109; Carter, 1962a: 6 (in list); Smith, 1967a: 345; Watkins, 1971: 94 (in key); Kempf, 1972b: 157; Watkins, 1972: 349 (in key); Hunt & Snelling, 1975: 21; Watkins, 1976: 16 (in key); Smith, 1979: 1332; Watkins, 1982: 211 (in key); Watkins, 1985: 482 (in key); Wheeler & Wheeler, 1986g: 19 (in key); MacKay et al., 1988: 87; Deyrup et al., 1989: 94; Wheeler & Wheeler, 1990a: 461; Bolton, 1995b: 290; Ward, 1999a: 90 (in key); Mackay & Mackay, 2002: 62; Deyrup, 2003: 45; MacGown & Forster, 2005: 67; Ward, 2005: 62; Snelling & Snelling, 2007: 487; Branstetter & Sáenz, 2012: 254; Deyrup, 2017: 38.
• Senior synonym of Neivamyrmex opacithorax castaneum: Borgmeier, 1955: 502; Smith, 1958c: 109; Kempf, 1972b: 157; Smith, 1979: 1332; Bolton, 1995b: 290; Snelling & Snelling, 2007: 487.

Junior synonyms

• Neivamyrmex opacithorax castaneum (Borgmeier, 1939)
  Obsolete combination(s): Eciton opacithorax castaneum

Obsolete combinations

• Eciton californicum opacithorax
• Eciton opacithorax

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Borgmeier, T. 1953. Vorarbeiten zu einer Revision der neotropischen Wanderameisen. Studia Entomologica 2:1-51. PDF
• Borgmeier, T. 1955. Die Wanderameisen der neotropischen Region. Studia Entomologica 3:1-720. PDF
• Branstetter, M. G.; Sáenz, L. 2012. Las hormigas (Hymenoptera: Formicidae) de Guatemala. Pp. 221-268 in: Cano, E. B.; Schuster, J. C. (eds.) 2012. Biodiversidad de Guatemala. Volumen 2. Guatemala: Universidad del Valle de Guatemala, iv + 328 pp. PDF
• Buren, W. F. 1944a. A list of Iowa ants. Iowa State College Journal of Science 18:277-312. PDF
• Carter, W. G. 1962a. Ants of the North Carolina Piedmont. Journal of the Elisha Mitchell Scientific Society 78:1-18. PDF
• Cole, A. C., Jr. 1953d. Studies of New Mexico ants. III. The ponerines and dorylines (Hymenoptera: Formicidae). Journal of the Tennessee Academy of Science 28:84-85.
• Creighton, W. S. 1950a. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585. PDF
• Deyrup, M. 2003. An updated list of Florida ants (Hymenoptera: Formicidae). Florida Entomologist 86:43-48. PDF
• Deyrup, M. 2017. Ants of Florida. Identification and natural history. Boca Raton, Florida: CRC Press (Taylor & Francis group), 423 pp.
• Deyrup, M.; Johnson, C.; Wheeler, G. C.; Wheeler, J. 1989. A preliminary list of the ants of Florida. Florida Entomologist 72:91-101. PDF
• Emery, C. 1894d. Studi sulle formiche della fauna neotropica. VI-XVI. Bullettino della Società Entomologica Italiana 26:137-241. PDF
• Emery, C. 1895d. Beiträge zur Kenntniss der nordamerikanischen Ameisenfauna. (Schluss). Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 8:257-360. PDF
• Emery, C. 1900e. Nuovi studi sul genere Eciton. Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna (5)8:173-188 [pagination of separate: 511-526]. PDF
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• Snelling, G. C.; Snelling, R. R. 2007. New synonymy, new species, new keys to Neivamyrmex army ants of the United States. Pp. 459-550 in: Snelling, R. R.; Fisher, B. L.; Ward, P. S. (eds.) 2007. Advances in ant systematics (Hymenoptera: Formicidae): homage to E.O. Wilson – 50 years of contributions. Memoirs of the American Entomological Institute 80:690 pp. PDF
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