Pogonomyrmex barbatus nigrescens

This taxon is not in use as it is currently considered to be a junior synonym of Pogonomyrmex barbatus.

Nomenclature

 * nigrescens. Pogonomyrmex barbatus var. nigrescens Wheeler, W.M. 1902c: 389 (w.) U.S.A. Junior synonym of fuscatus: Creighton, 1950a: 119; of barbatus: Cole, 1968: 56.