Mycocepurus smithii valid St Vincent and the Grenadines (St Vincent). Neotropic.
Forel, A. 1893h. Note sur les Attini. Annales de la Société Entomologique de Belgique 37:586-607.   125055

Mycocepurus smithii borinquenensis synonym of Mycocepurus smithii Puerto Rico. Neotropic.
Wheeler, W. M. 1907d. The fungus-growing ants of North America. Bulletin of the American Museum of Natural History 23:669-807.   130021

Mycocepurus smithii eucarnitae synonym of Mycocepurus smithii Cuba. Neotropic.
Forel, A. 1913m. Fourmis d'Argentine, du Brésil, du Guatémala & de Cuba reçues de M. M. Bruch, Prof. v. Ihering, Mlle Baez, M. Peper et M. Rovereto. Bulletin de la Société Vaudoise des Sciences Naturelles 49:203-250.   125250

Mycocepurus smithii tolteca synonym of Mycocepurus smithii Mexico (Jalisco). Neotropic.
Wheeler, W. M. 1907d. The fungus-growing ants of North America. Bulletin of the American Museum of Natural History 23:669-807.   130021

Mycocepurus smithii trinidadensis synonym of Mycocepurus smithii Trinidad. Neotropic.
Weber, N. A. 1937. The biology of the fungus-growing ants. Part l. New forms. Revista de Entomologia (Rio de Janeiro) 7:378-409.   129700