Acromyrmex laticeps (Emery ^HNS 1905).

Literature records: Central, Cordillera, Misiones, Ñeembucú, “Paraguay” (s. loc.) (Emery 1905, Fowler 1985).

Identity of these records unclear, could pertain to A. laticeps ^HNS or A. nigrosetosus ^HNS.