Iridomyrmex impotens Santschi, 1923d: 67 (w.) BRAZIL (Santa Catarina). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: holotype Brazil: Blumenau (Reichensperger). Primary type depository: NHMB. Type notes: Wild, 2007a: 55, designated the single specimen as lectotype; redundant designation as Santschi, 1923d: 68, had stated that only 1 worker was present.