Acromyrmex nigrosetosus

Distribution
This taxon was described from Brazil.

Nomenclature

 *  nigrosetosus. Atta (Acromyrmex) nigrosetosa Forel, 1908c: 350 (s.w.) BRAZIL. Santschi, 1922b: 361 (q.). Combination in Acromyrmex: Mann, 1916: 454. Subspecies of laticeps: Santschi, 1925a: 382; Gonçalves, 1961: 146; Kempf, 1972a: 12. Senior synonym of dimidiata, garbei, pulchella: Gonçalves, 1961: 146. Revived status as species: Wild, 2007b: 30.
 * dimidiata. Atta (Acromyrmex) aspersa subsp. dimidiata Forel, 1911c: 292 (w.m.) BRAZIL. Combination in Acromyrmex: Emery, 1924d: 348. Junior synonym of nigrosetosus: Gonçalves, 1961: 146.
 * garbei. Acromyrmex laticeps st. garbei Santschi, 1925a: 381 (w.) BRAZIL. Subspecies of nigrosetosus: Santschi, 1925b: 18 (also described as new in this publication). Junior synonym of nigrosetosus: Gonçalves, 1961: 146.
 * pulchella. Acromyrmex nigrosetosa st. pulchella Santschi, 1925b: 18 (w.) BRAZIL. Junior synonym of nigrosetosus: Gonçalves, 1961: 146.