• [Also described as new by Donisthorpe, 1927c: 273.]
• Subspecies of Lasius umbratus: Stärcke, 1937: 57.
• Junior synonym of Lasius umbratus: Wilson, 1955a: 151; Smith, 1979: 1439; Bolton, 1995b: 221; Radchenko, 2016: 373.
• [Note: Seifert, 1990: 12, says Lasius umbratus affinoumbratus must be a synonym of either Lasius mixtus, Lasius sabularum, or Lasius meridionalis.]

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Donisthorpe, H. 1914a. Myrmecophilous notes for 1913. Entomologist's Record and Journal of Variation 26:37-45. PDF
• Donisthorpe, H. 1927c. British ants, their life history and classification (2nd edn.). London: G. Routledge and Sons, xvi + 436 pp.
• Radchenko, A. G. 2016. Ants (Hymenoptera, Formicidae) of Ukraine. National Academy of Sciences of Ukraine. Kiev: I. I. Schmalhausen Institute of Zoology, 496 pp.
• Seifert, B. 1990. Supplementation to the revision of European species of the ant subgenus Chthonolasius Ruzsky, 1913 (Hymenoptera: Formicidae). Doriana 6(271):1-13. PDF
• Smith, D. R. 1979. Superfamily Formicoidea. Pp. 1323-1467 in: Krombein, K. V.; Hurd, P. D.; Smith, D. R.; Burks, B. D. (eds.) 1979. Catalog of Hymenoptera in America north of Mexico. Volume 2. Apocrita (Aculeata). Washington, D.C.: Smithsonian Institution Press, pp. i-xvi, 1199-2209.
• Stärcke, A. 1937. Retouches sur quelques fourmis d'Europe. II. Lasius groupe umbratus Nylander. Tijdschrift voor Entomologie 80:38-72. PDF
• Wilson, E. O. 1955a. A monographic revision of the ant genus Lasius. Bulletin of the Museum of Comparative Zoology 113:1-201. PDF