Pseudoponera stigma valid South America. Neotropic.
Fabricius, J. C. 1804. Systema Piezatorum secundum ordines, genera, species, adiectis synonymis, locis, observationibus, descriptionibus. Brunswick: C. Reichard, xiv + 15-439 + 30 pp.   124870

Pseudoponera stigma attrita synonym of Pseudoponera stigma St Vincent and the Grenadines (St Vincent). Neotropic.
Forel, A. 1893j. Formicides de l'Antille St. Vincent, récoltées par Mons. H. H. Smith. Transactions of the Entomological Society of London 1893:333-418.   125057

Pseudoponera stigma rufescens synonym of Pseudoponera stigma Haiti. Neotropic.
Wheeler, W. M.; Mann, W. M. 1914. The ants of Haiti. Bulletin of the American Museum of Natural History 33:1-61.   130283