Messor semirufus nigricans

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

Nomenclature

 * nigricans. Messor semirufus var. nigricans Santschi, 1932f: 517. Replacement name for nigriceps Santschi, 1929e: 144. [Junior primary homonym of nigriceps Santschi, 1925g: 341.] [Unresolved junior primary homonym of nigricans Santschi, above.] Junior synonym of semirufus: Baroni Urbani, 1974: 227.