Solenopsis shiptoni var. steigeri Santschi, 1916e: 378 (w.) ARGENTINA (Chaco). Neotropic.

Primary type information: Primary type material: lectotype worker (by designation of Pacheco & Mackay, 2013: 300). Primary type locality: lectotype Argentina: Chaco (von Steiger). Primary type depository: NHMB. Secondary type information: Secondary type material: 3 paralectotype workers. Secondary type locality: same as for lectotype. Secondary type depository: NHMB.