Eciton leonardi Wheeler, 1915:392 - As Neivamyrmex leonardi: - Smith, 1958Smith, M.R. 1958. Family Formicidae. In: Krombein, K.V. (Ed.). Hymenoptera of America North of Mexico - Synoptic Catalog. Washington: U.S. Department of Agriculture. Agriculture Monograph No. 2. First Supplement, 305 pp. 108-162. (distribution); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution); Watkins, 1982Watkins, J.F. 1982. The army ants of Mexico (Hymenoptera: Formicidae: Ecitoninae). Journal of the Kansas Entomological Society 55 (2):197-247. (distribution); Ruíz-Cancino & Coronado-Blanco, 2002Ruíz-Cancino, E. & J.M. Coronado-Blanco 2002. Artrópodos terrestres de los estados de Tamaulipas y Nuevo León, México. Serie Publicaciones Cientificas No. 4:1-376. (distribution); AntWeb, 2023AntWeb 2023. Ants. . (distribution).
Eciton peninsulare Mann, 1926:98 - Mann, 1926Mann, W.M. 1926. Some new neotropical ants. Psyche 33 (4-5):97-107. (distribution); Smith, 1958Smith, M.R. 1958. Family Formicidae. In: Krombein, K.V. (Ed.). Hymenoptera of America North of Mexico - Synoptic Catalog. Washington: U.S. Department of Agriculture. Agriculture Monograph No. 2. First Supplement, 305 pp. 108-162.:109 ( listed as synonym of Neivamyrmex leonardi (Wheeler, 1915)); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1330 ( listed as synonym of Neivamyrmex leonardi (Wheeler, 1915)).