Watkins, J. F., II 1982. The army ants of Mexico (Hymenoptera: Formicidae: Ecitoninae). Journal of the Kansas Entomological Society 55:197-247. PDF
Watkins, J. F., II 1994 ("1993"). Neivamyrmex curvinotus, n. sp. (Hymenoptera: Formicidae: Ecitoninae) from South America. Journal of the Kansas Entomological Society 66:411-413. PDF
Watson, J. A. L.; Okot-Kotber, B. M.; Noirot, C. (eds.) 1985. Caste differentiation in social insects. Oxford: Pergamon Press, xiv + 405 pp.
Weber, N. A. 1934a. Notes on neotropical ants, including the descriptions of new forms. Revista de Entomologia (Rio de Janeiro) 4:22-59. PDF
Weber, N. A. 1934b. A new Strumigenys from Illinois (Hymenoptera: Formicidae). Psyche (Cambridge) 41:63-65. PDF

Notes: Stamp date in MCZ library: 1934.08.30.

Weber, N. A. 1937. The biology of the fungus-growing ants. Part l. New forms. Revista de Entomologia (Rio de Janeiro) 7:378-409. PDF
Weber, N. A. 1938a. New ants from stomachs of Bufo marinus L. and Typhlops reticulatus (L). Annals of the Entomological Society of America 31:207-210. PDF
Weber, N. A. 1939a. New ants of rare genera and a new genus of ponerine ants. Annals of the Entomological Society of America 32:91-104. PDF
Weber, N. A. 1939c. Tourist ants. Ecology 20:442-446.
Weber, N. A. 1940a. Ants on a Nile River steamer. Ecology 21:292-293. PDF
Weber, N. A. 1940c. Rare ponerine genera in Panama and British Guiana (Hym.: Formicidae). Psyche (Cambridge) 47:75-84. PDF

Notes: Stamp date in MCZ library: 1940.11.14.

Weber, N. A. 1941a. Four new genera of Ethiopian and Neotropical Formicidae. Annals of the Entomological Society of America 34:183-194. PDF