Myrmica fracticornis

Distribution
This taxon was described from the United States.

Nomenclature

 *  fracticornis. Myrmica lobicornis var. fracticornis Forel, 1901e: 371 (in text) (w.) U.S.A. [First available use of Myrmica rubra subsp. scabrinodis var. fracticornis Emery, 1895c: 313; unavailable name.] Weber, 1948a: 280 (q.m.); Wheeler, G.C. & Wheeler, J. 1953a: 117 (l.). Subspecies of scabrinodis: Wheeler, W.M. 1916m: 587; of lobicornis: Cole, 1942: 368; Wheeler, G.C. & Wheeler, E.W. 1944: 241; Creighton, 1950a: 100. Raised to species: Talbot, 1976: 245; Francoeur, 1977b: 206; Wheeler, G.C. & Wheeler, J. 1986g: 12. Senior synonym of detritinodis: Weber, 1948a: 276; Smith, M.R. 1951a: 790.
 * detritinodis. Myrmica scabrinodis var. detritinodis Emery, 1921f: 40 (w.) U.S.A. [First available use of Myrmica rubra subsp. scabrinodis var. detritinodis Emery, 1895c: 316; unavailable name.] Junior synonym of fracticornis: Weber, 1948a: 276; Smith, M.R. 1951a: 790 (misspelled as detrinodis).