Leptogenys uni-stimulosa Roger, 1863:175 - Starr & Hook, 2003Starr, C.K. & Hook, A.W. 2003. The aculeate Hymenoptera of Trinidad, West Indies. Occasional Papers o the Department of Life Sciences, University of the West Indies 12:1-31. (distribution); Fernández & Sendoya, 2004Fernández, F. & S. Sendoya 2004. List of Neotropical ants (Hymenoptera: Formicidae). Biota Colombiana 5 (1):3-93. (distribution); Lattke, 2011Lattke, J.E. 2011. Revision of the New World species of the genus Leptogenys Roger (Insecta: Hymenoptera: Formicidae: Ponerinae). Arthropod Systematics & Phylogeny 69 (3):127-264. (distribution); AntWeb, 2023AntWeb 2023. Ants. . (distribution).
Leptogenys unistimulosa trinidadensis Forel, 1901 Synonymized with Leptogenys unistimulosa Roger, 1863 by Lattke, 2011Lattke, J.E. 2011. Revision of the New World species of the genus Leptogenys Roger (Insecta: Hymenoptera: Formicidae: Ponerinae). Arthropod Systematics & Phylogeny 69 (3):127-264.:221. - Wheeler, 1905Wheeler, W.M. 1905. The ants of the Bahamas, with a list of the known West Indian species. Bulletin of the American Museum of Natural History 21:79-135. (distribution); Fernández & Sendoya, 2004Fernández, F. & S. Sendoya 2004. List of Neotropical ants (Hymenoptera: Formicidae). Biota Colombiana 5 (1):3-93. (distribution).
Leptogenys unistimulosa bahiana Santschi, 1929:416 Synonymized with Leptogenys unistimulosa Roger, 1863 by Lattke, 2011Lattke, J.E. 2011. Revision of the New World species of the genus Leptogenys Roger (Insecta: Hymenoptera: Formicidae: Ponerinae). Arthropod Systematics & Phylogeny 69 (3):127-264.:221.