Acromyrmex crassispinus

Wild, A. L., 2007, A catalogue of the ants of Paraguay (Hymenoptera: Formicidae)., Zootaxa 1622, pp. 1-55 : 30

crassispinus (Forel 1909).

Amambay, Canindeyú, Central, Concepción, Cordillera, Guairá, Ñeembucú, Paraguarí, Pte. Hayes, San Pedro, “Paraguay” (s. loc.) (ALWC, IFML, INBP, LACM, MHNG, MZSP, NHMB, USNM). Literature records: Canindeyú, Cordillera, Misiones, Ñeembucú, “Paraguay” (s. loc.) (Forel 1909a, Fowler 1985, Santschi 1916 [as “ parallelus ”], Santschi 1925a).