Formica sanguinea tristis

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

Nomenclature

 * tristis. Formica (Raptiformica) sanguinea var. tristis Karavaiev, 1929b: 217 (w.) RUSSIA. [Unresolved junior primary homonym of tristis Christ, above.] Junior synonym of sanguinea: Dlussky, 1965a: 16.