• Wheeler, 1913i: 446 (q.m.)
• Subspecies of Formica rufa: Mayr, 1886d: 426; Cresson, 1887: 256; Emery, 1893k: 649; Viereck, 1903: 72; Wheeler, 1905j: 399; Wheeler, 1906g: 16; Wheeler, 1908i: 623; Wheeler, 1908k: 408; Wheeler, 1910a: 570; Emery, 1925d: 254; Creighton, 1940a: 1, 8 (in key); Buren, 1944a: 302; Smith, 1951c: 870.
• Subspecies of Formica truncicola: Dalla Torre, 1893: 214; Wheeler, 1913d: 116; Wheeler, 1913i: 445 (redescription); Wheeler, 1916r: 597; Wheeler, 1917a: 540; Wheeler, 1917k: 464; Wing, 1939: 165; Wesson & Wesson, 1940: 101.
• Status as species: Creighton, 1950a: 493; Smith, 1958c: 158; Smith, 1967a: 372; Francoeur, 1977b: 208; Wheeler & Wheeler, 1978b: 394; Smith, 1979: 1460; Allred, 1982: 472; Wheeler & Wheeler, 1986g: 84; DuBois & LaBerge, 1988: 148; Wheeler et al., 1994: 306; Bolton, 1995b: 200; Mackay & Mackay, 2002: 358; Coovert, 2005: 150; Ellison et al., 2012: 166; Shattuck & Cover, 2016: 16.
• Senior synonym of Formica obscuriventris clivia: Shattuck & Cover, 2016: 16.
• Senior synonym of Formica dryas: Wheeler, 1913i: 446; Emery, 1925d: 254; Creighton, 1950a: 493; Smith, 1951c: 870; Smith, 1979: 1460; Bolton, 1995b: 200.
• Senior synonym of Formica dryas gymnomma: Creighton, 1950a: 493; Smith, 1958c: 158; Smith, 1979: 1460; Bolton, 1995b: 200.

Junior synonyms

• Formica dryas Wheeler, 1905
• Formica dryas gymnomma Wheeler, 1905
• Formica obscuriventris clivia Creighton, 1940
  Obsolete combination(s): Formica rufa clivia

Obsolete combinations

• Formica rufa obscuriventris
• Formica truncicola obscuriventris

Citations

• Allred, D. M. 1982. Ants of Utah. Great Basin Naturalist 42:415-511.
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Buren, W. F. 1944a. A list of Iowa ants. Iowa State College Journal of Science 18:277-312. PDF
• Coovert, G. A. 2005. The ants of Ohio. Bulletin of the Ohio Biological Survey (New Series) 15 (2):1-196. PDF
• Creighton, W. S. 1940a. A revision of the North American variants of the ant Formica rufa. American Museum Novitates 1055:1-10. PDF
• Creighton, W. S. 1950a. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585. PDF
• Cresson, E. T. Sr. 1887. Synopsis of the families and genera of the Hymenoptera of America, north of Mexico, together with a catalogue of the described species, and bibliography. Transactions of the American Entomological Society, Suppl. Vol. 1887:1-351. PDF
• Dalla Torre, K. W. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. PDF
• DuBois, M. B.; LaBerge, W. E. 1988. Annotated list of ants in Illinois (Hymenoptera: Formicidae). Pp. 133-156 in: Trager, J. C. (ed.) 1988. Advances in myrmecology. Leiden: E. J. Brill, xxvii + 551 pp.
• Ellison, A. M.; Gotelli, N. J.; Farnsworth, E. J.; Alpert, G. D. 2012. A field guide to the ants of New England. New Haven: Yale University Press, xv + 398 pp.
• Emery, C. 1893k. Beiträge zur Kenntniss der nordamerikanischen Ameisenfauna. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 7:633-682. PDF
• Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183:1-302. PDF
• Francoeur, A. 1977b. Synopsis taxonomique et économique des fourmis du Québec (Formicidae, Hymenoptera). Annales de la Société Entomologique du Québec 22:205-212. PDF
• Mackay, W.; Mackay, E. 2002. The ants of New Mexico (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 400 pp. PDF
• Mayr, G. 1870b. Neue Formiciden. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 20:939-996. PDF
• Mayr, G. 1886d. Die Formiciden der Vereinigten Staaten von Nordamerika. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 36:419-464. PDF
• Shattuck, S. O.; Cover, S. 2016. Taxonomy of some little-understood North American ants (Hymenoptera: Formicidae). Zootaxa 4175:10-22. 10.11646/zootaxa.4175.1.2 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.
• Smith, M. R. 1951c. Family Formicidae. Pp. 778-875 in: Muesebeck, C. F. W.; Krombein, K. V.; Townes, H. K. (eds.) 1951. Hymenoptera of America north of Mexico. Synoptic catalogue. United States Department of Agriculture. Agriculture Monograph 2:1-1420. PDF
• Smith, M. R. 1958c. Family Formicidae. Pp. 108-162 in: Krombein, K. V. (ed.) 1958. Hymenoptera of America north of Mexico. Synoptic catalogue. First supplement. United States Department of Agriculture. Agriculture Monograph 2(suppl. 1):1-305. PDF
• Smith, M. R. 1967a. Family Formicidae. Pp. 343-374 in: Krombein, K. V.; Burks, B. D. (eds.) 1967. Hymenoptera of America north of Mexico. Synoptic catalog. Second supplement. United States Department of Agriculture. Agriculture Monograph 2(suppl. 2):1-584. PDF
• Viereck, H. L. 1903. Hymenoptera of Beulah, New Mexico. [part]. Transactions of the American Entomological Society 29:56-87. PDF
• Wesson, L. G.; Wesson, R. G. 1940. A collection of ants from southcentral Ohio. American Midland Naturalist 24:89-103. PDF
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• Wheeler, G. C.; Wheeler, J. 1986g. The ants of Nevada. Los Angeles: Natural History Museum of Los Angeles County, vii + 138 pp. PDF
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• Wheeler, W. M. 1905j. An annotated list of the ants of New Jersey. Bulletin of the American Museum of Natural History 21:371-403. PDF
• Wheeler, W. M. 1906g. Fauna of New England. 7. List of the Formicidae. Occasional Papers of the Boston Society of Natural History 7:1-24. PDF
• Wheeler, W. M. 1908i. The ants of Casco Bay, Maine, with observations on two races of Formica sanguinea Latreille. Bulletin of the American Museum of Natural History 24:619-645. PDF
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