Formica yessensis Wheeler, 1913 valid
Formica truncicola var. yessensis Wheeler, 1913i: 391 (in key) (w.) JAPAN. Palearctic.
  • [First available use of Formica rufa truncicola yessensis Forel, 1901m: 66; unavailable name.].
  • Kupyanskaya, 1984: 103 (q.m.); Imai, 1966b: 119 (k.).
  • Subspecies of Formica truncicola: Ruzsky, 1926: 110; of Formica truncorum: Wheeler, 1933c: 66.
  • Junior synonym of Formica lugubris: Dlussky, 1967a: 91.
  • Revived from synonymy and raised to species: Collingwood, 1976a: 304.
  • See also: Kupyanskaya, 1990a: 194.
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