Iridomyrmex iniquus var. nigellus Emery, 1890c: 56 (w.) COSTA RICA. Neotropic.

Primary type information: Primary type material: lectotype worker (by designation of Wild, 2007a: 67). Primary type locality: lectotype Costa Rica: Alajuela, 1889 (A. Alfaro). Primary type depository: MSNG. Secondary type information: Secondary type material: 3 paralectotype workers. Secondary type locality: same as for lectotype. Secondary type depository: MSNG. Type notes: Wild, 2007a: 67, includes a paralectotype queen, but this caste is not mentioned in the original description.