• [Also described as new by Wheeler, 1901c: 539.]
• Combination in Leptothorax (Mychothorax): Emery, 1924f: 261
• Status as species: Wheeler, 1903d: 230; Wheeler, 1906g: 8; Wheeler, 1908i: 621; Wheeler, 1910a: 566; Wheeler, 1916r: 588; Wheeler, 1917a: 514; Emery, 1924f: 261; Essig, 1926: 862; Wing, 1939: 162; Smith, 1951c: 821.
• Junior synonym of Formicoxenus provancheri: Creighton, 1950a: 279; Smith, 1958c: 134; Smith, 1979: 1398; Francoeur et al., 1985: 377; Bolton, 1995b: 207; Coovert, 2005: 80.

Obsolete combinations

• Leptothorax emersoni

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Coovert, G. A. 2005. The ants of Ohio. Bulletin of the Ohio Biological Survey (New Series) 15 (2):1-196. PDF
• Creighton, W. S. 1950a. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585. PDF
• Emery, C. 1924f ("1922"). Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [concl.]. Genera Insectorum 174C:207-397. PDF
• Essig, E. O. 1926. Insects of western North America. New York: Macmillan, xi + 1035 pp. PDF
• Francoeur, A.; Loiselle, R.; Buschinger, A. 1985. Biosystématique de la tribu Leptothoracini (Formicidae, Hymenoptera). 1. Le genre Formicoxenus dans la région holarctique. Naturaliste Canadien (Québec) 112:343-403. 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
• Wheeler, W. M. 1901a. The compound and mixed nests of American ants. Part I. Observations on a new guest ant. American Naturalist 35:431-448. PDF
• Wheeler, W. M. 1901c. The compound and mixed nests of American ants. Part II. The known cases of social symbiosis among American ants. American Naturalist 35:513-539. PDF
• Wheeler, W. M. 1903d. A revision of the North American ants of the genus Leptothorax Mayr. Proceedings of the Academy of Natural Sciences of Philadelphia 55:215-260. 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
• Wheeler, W. M. 1910a. Ants: their structure, development and behavior. New York: Columbia University Press, xxv + 663 pp. PDF
• Wheeler, W. M. 1916r. Formicoidea. Formicidae. Pp. 577-601 in: Viereck, H. L. 1916. Guide to the insects of Connecticut. Part III. The Hymenoptera, or wasp-like insects, of Connecticut. Connecticut State Geological and Natural History Survey. Bulletin 22:1-824.
• Wheeler, W. M. 1917a. The mountain ants of western North America. Proceedings of the American Academy of Arts and Sciences 52:457-569. PDF
• Wing, M. W. 1939. An annotated list of the ants of Maine (Hymenoptera: Formicidae). Entomological News 50:161-165. PDF