• Cole, 1954a: 90 (m.).
• Junior synonym of Formica subaenescens: Wheeler, 1913i: 504.
• Subspecies of Formica fusca: Wheeler, 1910a: 570; Essig, 1926: 866; Brown, 1947: 7 (redescription); Smith, 1951c: 863.
• Status as species: Creighton, 1950a: 499; Cole, 1954a: 89; Cole, 1954c: 165; Cole, 1955b: 50; Smith, 1958c: 155; Smith, 1967a: 371; Hunt & Snelling, 1975: 23; Francoeur, 1977b: 208; Yensen et al., 1977: 184; Wheeler & Wheeler, 1978b: 394; Smith, 1979: 1462; Allred, 1982: 464; Wheeler & Wheeler, 1986g: 81; MacKay et al., 1988: 114; Bolton, 1995b: 194; Mackay & Mackay, 2002: 342; Ward, 2005: 63.
• Senior synonym of Formica rasilis: MacKay et al., 1988: 114; Bolton, 1995b: 194.
• Senior synonym of Formica rasilis spicata: Cole, 1954a: 89; Cole, 1955b: 50; Smith, 1958c: 155; Smith, 1979: 1462; Bolton, 1995b: 194.
• Material of the unavailable name Formica microgyna rasilis pinetorum referred here by Smith, 1979: 1462.

Junior synonyms

• Formica rasilis Wheeler, 1903
  Obsolete combination(s): Formica microgyna rasilis
• Formica rasilis spicata Creighton, 1950

Obsolete combinations

• Formica fusca densiventris

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. 1947. A note upon two neglected species of Formica Linn. (Hym.: Formicidae). Entomological News 58:6-9. PDF
• Cole, A. C., Jr. 1954a. Studies of New Mexico ants. VIII. A solution to the Formica densiventris Viereck problem (Hymenoptera: Formicidae). Journal of the Tennessee Academy of Science 29:89-90. PDF
• Cole, A. C., Jr. 1954c. Studies of New Mexico ants. XI. The genus Formica with a description of a new species (Hymenoptera: Formicidae). Journal of the Tennessee Academy of Science 29:163-167. PDF
• Cole, A. C., Jr. 1955b. Studies of New Mexico ants. XV. Additions, corrections, and new synonymy. Journal of the Tennessee Academy of Science 30:49-50. PDF
• Creighton, W. S. 1950a. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585. PDF
• Essig, E. O. 1926. Insects of western North America. New York: Macmillan, xi + 1035 pp. 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
• Hunt, J. H.; Snelling, R. R. 1975. A checklist of the ants of Arizona. Journal of the Arizona Academy of Science 10:20-23. PDF
• MacKay, W. P.; Lowrie, D.; Fisher, A.; MacKay, E. E.; Barnes, F. 1988. The ants of Los Alamos County, New Mexico (Hymenoptera: Formicidae). Pp. 79-131 in: Trager, J. C. (ed.) 1988. Advances in myrmecology. Leiden: E. J. Brill, xxvii + 551 pp. PDF
• Mackay, W.; Mackay, E. 2002. The ants of New Mexico (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 400 pp. 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
• 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
• Yensen, N. P.; Clark, W. H.; Francoeur, A. 1977. A checklist of Idaho ants (Hymenoptera: Formicidae). Pan-Pacific Entomologist 53:181-187. PDF