Acromyrmex versicolor valid Mexico (Baja California Sur). Nearctic.
Pergande, T. 1893. On a collection of Formicidae from Lower California and Sonora, Mexico. Proceedings of the California Academy of Sciences (2)4:26-36.   127765

Acromyrmex versicolor chisosensis synonym of Acromyrmex versicolor U.S.A. (Texas). Nearctic.
Wheeler, W. M. 1907d. The fungus-growing ants of North America. Bulletin of the American Museum of Natural History 23:669-807.   130021