Dorymyrmex steigeri is a species of ant in the genus Dorymyrmex. Described by Felix Santschi in 1912, the species is endemic to Argentina and Uruguay.Santschi, F. 1912e. Quelques fourmis de l'Amérique australe. Rev. Suisse Zool. 20: 519-534 (page 532, fig. 4 worker described)

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