Acromyrmex diabolicus Santschi, 1922 junior synonym of current valid taxon Acromyrmex crassispinus (Forel, 1909)
Acromyrmex nigrosetosa var. diabolica Santschi, 1922c: 362 (w.) BRAZIL (Santa Catarina). Neotropic.
Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: Brazil: Santa Catarina (Richter) (received from Bruch). Primary type depository: NHMB.
Obsolete combinations
Citations

Extant: 0 valid subspecies (1 synonym)