Taxonomic history
Combination in Pseudomyrmex: Kempf, 1958f: 454.Subspecies of Pseudomyrmex gracilis: Emery, 1890c PDF: 60.Revived status as species: Dalla Torre, 1893 PDF: 57; Mann, 1916 PDF: 426.Senior synonym of Pseudomyrmex nigropilosus laticeps: Kempf, 1958f: 454.Senior synonym of Pseudomyrmex nigropilosus wagneri: Kempf, 1958f: 454.