Pogonomyrmex seminigra (Cresson, 1865) junior synonym of current valid taxon Pogonomyrmex occidentalis (Cresson, 1865)
Myrmica seminigra Cresson, 1865b: 427 (m.) U.S.A. (Colorado). Nearctic.
Primary type information: Type-material: 14 syntype males. Type-locality: U.S.A.: Colorado Territory. Type-depository: ANSP.
Obsolete combinations
Citations