Formica propinqua Creighton, 1940 valid
Formica rufa subsp. propinqua Creighton, 1940a: 1, fig. 1 (w.) U.S.A. Nearctic.
  • [First available use of Formica truncicola integroides propinqua Wheeler, 1917a: 538; unavailable name.].
  • Cole, 1956f: 257 (q.m.).
  • Subspecies of Formica integroides: Creighton, 1950a: 490.
  • Raised to species: Wheeler & Wheeler, 1986g: 85; MacKay et al., 1988: 112 (in key).
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