• [First available use of Formica rufa obscuriventris integroides Emery, 1893k; unavailable (infrasubspecific) name.]
• As unavailable (infrasubspecific) name: Wheeler, 1910a: 570.
• Subspecies of Formica truncicola: Wheeler, 1917a: 537; Cole, 1936a: 38.
• Subspecies of Formica rufa: Emery, 1925d: 254; Creighton, 1940a: 3, 7 (in key); Smith, 1951c: 869.
• Status as species: Creighton, 1950a: 488; Miller, 1957: 254; Smith, 1958c: 156; Brown, 1965d: 185; Wheeler & Wheeler, 1978b: 394; Smith, 1979: 1459; Allred, 1982: 466; Wheeler & Wheeler, 1986g: 82; Bolton, 1995b: 197; Ward, 2005: 63.
• Senior synonym of Formica rufa subcaviceps: Creighton, 1950a: 489; Smith, 1979: 1459; Bolton, 1995b: 197.
• Senior synonym of Formica rufa subfasciata: Brown, 1965d: 185 (in text); Bolton, 1995b: 197.

Junior synonyms

• Formica rufa subcaviceps Creighton, 1940
• Formica rufa subfasciata Creighton, 1940

Obsolete combinations

• Formica truncicola integroides

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.
• Brown, W. L., Jr. 1965d. Studies on North American ants. I. The Formica integra subgroup. Entomological News 76:181-186. PDF
• Cole, A. C., Jr. 1936a. An annotated list of the ants of Idaho (Hymenoptera: Formicidae). Canadian Entomologist 68:34-39. 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
• Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183:1-302. PDF
• Miller, C. D. F. 1957. Taxonomic status of Formica subnitens Creighton and F. integroides Emery, with a description of the sexuals of F. subnitens (Hymenoptera: Formicidae). Insectes Sociaux 4:253-257. 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
• Ward, P. S. 2005. A synoptic review of the ants of California (Hymenoptera: Formicidae). Zootaxa 936:1-68. PDF
• Wheeler, G. C.; Wheeler, J. 1978b. Mountain ants of Nevada. Great Basin Naturalist 38:379-396. PDF
• Wheeler, G. C.; Wheeler, J. 1986g. The ants of Nevada. Los Angeles: Natural History Museum of Los Angeles County, vii + 138 pp. PDF
• Wheeler, W. M. 1910a. Ants: their structure, development and behavior. New York: Columbia University Press, xxv + 663 pp. PDF
• Wheeler, W. M. 1913i. A revision of the ants of the genus Formica (Linné) Mayr. Bulletin of the Museum of Comparative Zoology 53:379-565. PDF
• Wheeler, W. M. 1917a. The mountain ants of western North America. Proceedings of the American Academy of Arts and Sciences 52:457-569. PDF