• [First available use of Formica rufa obscuripes whymperi Forel, 1904b; unavailable (infrasubspecific) name.]
• As unavailable (infrasubspecific) name: Wheeler, 1910a: 570; Wheeler, 1913i: 392 (in key), 434; Emery, 1925d: 254.
• Status as species: Creighton, 1950a: 508; Smith, 1951c: 873; Smith, 1958c: 161; Kutter, 1968c: 207; Francoeur, 1977b: 208; Yensen et al., 1977: 185; Smith, 1979: 1463; Allred, 1982: 477; Wheeler & Wheeler, 1986g: 86; MacKay et al., 1988: 112 (in key).
• [Note: Wheeler, W.M., Creighton, Smith, M.R., and Smith D.R. all give Formica adamsi as subspecies of Formica adamsi whymperi, but Formica adamsi has priority (Bolton, 1995b: 191).]
• Subspecies of Formica adamsi: Bolton, 1995b: 206; Ward, 2005: 63.
• Senior synonym of Formica microgyna californica: Wheeler & Wheeler, 1986g: 15; Bolton, 1995b: 206.
• Material of the unavailable name Formica microgyna rasilis pullula referred here by Creighton, 1950a: 509; Smith, 1958c: 160; Smith, 1979: 1464.

Junior synonyms

• Formica microgyna californica Wheeler, 1917

Obsolete combinations

• Formica whymperi

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.
• 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
• Francoeur, A. 1977b. Synopsis taxonomique et économique des fourmis du Québec (Formicidae, Hymenoptera). Annales de la Société Entomologique du Québec 22:205-212. PDF
• Kutter, H. 1968c ("1967"). Liste sozialparasitischer Ameisen. Archives. Institut Grand-Ducal de Luxembourg (n.s.)33:201-210.
• 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
• 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. 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
• Yensen, N. P.; Clark, W. H.; Francoeur, A. 1977. A checklist of Idaho ants (Hymenoptera: Formicidae). Pan-Pacific Entomologist 53:181-187. PDF