Taxonomic history
Combination in Solenopsis: Mayr, 1886c PDF: 365.Junior synonym of Solenopsis geminata: Mayr, 1886d PDF: 460; Dalla Torre, 1893 PDF: 76.Subspecies of Solenopsis geminata: Emery, 1895k PDF: 11; Emery, 1906c PDF: 121.Status as species: Smith, 1858a PDF: 132; Mayr, 1862 PDF: 742; Roger, 1863b PDF: 29; Mayr, 1863a PDF: 432; Forel, 1909a PDF: 269; Wheeler, 1915b PDF: 397; Emery, 1922c PDF: 197; Santschi, 1923c PDF: 261; Wheeler, 1925a: 35; Creighton, 1930b PDF: 48 (redescription); Goetsch, 1933a PDF: 29; Goetsch & Menozzi, 1935 PDF: 96; Menozzi, 1935c PDF: 320; Brown, 1950g PDF: 248; Ettershank, 1966 PDF: 141; Kempf, 1970b PDF: 24; Kempf, 1972b PDF: 235; Snelling & Hunt, 1975 PDF: 84; Trager, 1991 PDF: 170 (redescription); Bolton, 1995b: 387.Senior synonym of Solenopsis gayi fazi: Brown, 1950g PDF: 248; Kempf, 1970b PDF: 24; Kempf, 1972b PDF: 235; Snelling & Hunt, 1975 PDF: 84; Trager, 1991 PDF: 170; Bolton, 1995b: 387.Myrmica gayi Spinola , 1851, In Gay, Historia Fisica y Politica de Chile, Zoologia, 6:242, worker, [[queen]], [[male]].
Solenopsis gayi var. fazi Santschi , 1923, Revue Suisse de Zoologie, 30:261, [[queen]], (New synonymy.)
Santschi merely described the slightly darker, sympatric female form of S. gayi as a variety, as is evident from series received from Angol, Chile (D. Bullock).
