Acromyrmex Mayr, 1865: 83 [as subgenus of Atta]. Type-species: Formica hystrix, by monotypy.
Taxonomic history
Acromyrmex in Cryptoceridae, Attinae: Ashmead, 1905b: 384.
Acromyrmex in Myrmicinae, Attini: Emery, 1895j: 770; Emery, 1913b: 251; Emery, 1914a: 42; Forel, 1917: 247; Wheeler, W.M. 1922a: 669; Emery, 1924d: 347; all subsequent authors.
Acromyrmex as subgenus of Atta: Mayr, 1865: 83; Forel, 1885a: 354; Dalla Torre, 1893: 151; Forel, 1893a: 163; Emery, 1895j: 770; Forel, 1899c: 30; Emery, 1905c: 39; Wheeler, W.M. 1907c: 670; Wheeler, W.M. 1910g: 141; Wheeler, W.M. 1922a: 669.
Acromyrmex as genus: Emery, 1913b: 251; Forel, 1917: 247; Emery, 1924d: 347; Santschi, 1925a: 355; all subsequent authors.
Subgenera of ACROMYRMEX include the nominal plus the following.
Subgenus ACROMYRMEX (MOELLERIUS)
Moellerius Forel, 1893e: 589 [as subgenus of Atta]. Type-species: Atta (Acromyrmex) landolti, by subsequent designation of Wheeler, W.M. 1911f: 167.
Taxonomic history
Moellerius as subgenus of Atta: Forel, 1893e: 589; Forel, 1899c: 30; Emery, 1905c: 39; Wheeler, W.M. 1907c: 669; Wheeler, W.M. 1910g: 141; Wheeler, W.M. 1922a: 669.
Moellerius as junior synonym of Acromyrmex: Brown, 1973b: 182 [provisional].
Moellerius as subgenus of Acromyrmex: Emery, 1913b: 251; Forel, 1917: 247; Emery, 1924d: 350; all subsequent authors except the above.
Genus Acromyrmex references
Forel, 1885a: 361 (all species key); Emery, 1905c: 40 (all species key); Gallardo, 1916d: 325 (Argentina species key); Emery, 1924d: 347 (diagnosis, catalogue); Emery, 1924d: 350 (A. (Moellerius) diagnosis, catalogue); Santschi, 1925a: 388 (all species revision, key); Creighton, 1950a: 326 (North America species key); Kusnezov, 1956: 33 (Argentina species key); Gon¯alves, 1961: 118 (Brazil species revision, key); Kempf, 1972a: 10 (Neotropical catalogue); Alayo, 1974: 42 (Cuba checklist); Smith, D.R. 1979: 1412 (North America catalogue); Fowler, 1988: 284 (A. (Moellerius) species key); Cherrett & Cherrett, 1989: 1 (bibliography); Bolton, 1994: 105 (synoptic classification); Bolton, 1995a: 1047 (census); Bolton, 1995b: 54 (catalogue).