gracilis. Formica gracilis Fabricius, 1804: 405 (w.) CENTRAL AMERICA. Wheeler, W.M. & Bailey, 1920: 256 (l.); Wheeler, G.C. & Wheeler, J. 1956: 385 (l.). Combination in Leptalea: Erichson, 1839: 309; in Pseudomyrma: Roger, 1862c: 289; in P. (Clavanoda): Enzmann, E.V. 1944: 61; in Pseudomyrmex: Kusnezov, 1953e: 214. Senior synonym of longinoda: Brown, 1949a: 43; Kempf, 1961a: 370; of variabilis: Ward, 1989: 439; of bicolor, canescens, dimidiata, glabriventris, mexicana, pilosula, sericata, velifera, volatilis and material of the unavailable name guayaquilensis referred here: Ward, 1993: 155; of atrinoda: Wild, 2007b: 55. Current subspecies: nominal plus argentinus. See also: Ward, 1999b: 521.