Myrmica seminigra

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

Nomenclature

 * seminigra. Myrmica seminigra Cresson, 1865: 427 (m.) U.S.A. Junior synonym of occidentalis: Mayr, 1886d: 449; Forel, 1886b: xlii.