• Borgmeier, 1948a: 192 (q.m.)
• Combination in Eciton (Neivamyrmex): Borgmeier, 1948a: 191.
• Combination in Neivamyrmex: Borgmeier, 1953: 5.
• Subspecies of Neivamyrmex opacithorax: Borgmeier, 1948a: 191 (redescription).
• Junior synonym of Neivamyrmex opacithorax: Borgmeier, 1955: 502; Smith, 1958c: 109; Kempf, 1972b: 157; Smith, 1979: 1332; Bolton, 1995b: 288; Snelling & Snelling, 2007: 487.

Obsolete combinations

• Eciton opacithorax castaneum

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Borgmeier, T. 1939. Nova contribuição para o conhecimento das formigas neotropicas (Hym. Formicidae). Revista de Entomologia (Rio de Janeiro) 10:403-428. PDF
• Borgmeier, T. 1948a. Die Geschlechtstiere zweier Eciton-Arten und einige andere Ameisen aus Mittel- und Suedamerika (Hym. Formicidae). Revista de Entomologia (Rio de Janeiro) 19:191-206. PDF
• 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
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Smith, D. R. 1979. Superfamily Formicoidea. Pp. 1323-1467 in: Krombein, K. V.; Hurd, P. D.; Smith, D. R.; Burks, B. D. (eds.) 1979. Catalog of Hymenoptera in America north of Mexico. Volume 2. Apocrita (Aculeata). Washington, D.C.: Smithsonian Institution Press, pp. i-xvi, 1199-2209.
• Smith, M. R. 1958c. Family Formicidae. Pp. 108-162 in: Krombein, K. V. (ed.) 1958. Hymenoptera of America north of Mexico. Synoptic catalogue. First supplement. United States Department of Agriculture. Agriculture Monograph 2(suppl. 1):1-305. PDF
• 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