• [Unresolved junior primary homonym of Formica obsoleta Linnaeus, 1758 (Bolton, 1995b: 114).]
• Junior synonym of Camponotus ligniperda: Emery, 1892c: 161; Emery, 1925d: 74; Karavaiev, 1936: 181; Bolton, 1995b: 114; Casevitz-Weulersse & Galkowski, 2009: 479; Radchenko, 2016: 330.

Obsolete combinations

• Formica obsoleta

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Casevitz-Weulersse, J.; Galkowski, C. 2009. Liste actualisée des fourmis de France (Hymenoptera, Formicidae). Bulletin de la Société Entomologique de France 114:475-510. PDF
• Christ, J. L. 1791. Naturgeschichte, Klassification und Nomenclatur der Insekten vom Bienen, Wespen und Ameisengeschlecht. Frankfurt: Hermann, 535 pp. PDF
• Emery, C. 1892c ("1891"). Note sinonimiche sulle formiche. Bullettino della Società Entomologica Italiana 23:159-167. PDF
• Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183:1-302. PDF
• Karavaiev, V. 1936. The fauna of the family Formicidae (ants) of the Ukraine. Part II (conclusion). [In Ukrainian.]. Trudy Instytutu Zoolohii ta Biolohii Ukrains'koi Akademii Nauk. Seriya 1. Pratsi z Systematyky ta Faunistyky 1936:161-316.
• Radchenko, A. G. 2016. Ants (Hymenoptera, Formicidae) of Ukraine. National Academy of Sciences of Ukraine. Kiev: I. I. Schmalhausen Institute of Zoology, 496 pp.