Protonym: Formica rufa subsp. difficilis
| Authorship | Emery, 1893k: 651, pl. 22, figs. 9, 14 |
|---|---|
| Forms | w.q.m. |
| Bioregion | Nearctic |
| Locality | U.S.A. (Virginia) |
| Primary type information | Primary type material: syntype workers, syntype queens, syntype males (numbers not stated). Primary type localities: U.S.A.: Virginia (T. Pergande) (invalid restriction of type locality by Wheeler, 1913i: 478; no lectotype designated), U.S.A.: New Jersey (T. Pergande) (invalid restriction of type locality by Creighton, 1950a: 500; no lectotype designated). Primary type depositories: AMNH, MCZC. |
Taxa belonging to this protonym
| Formica difficilis | Species | Valid | |
| Formica rufa difficilis | Subspecies |
Obsolete combination
an obsolete combination of Formica difficilis Emery, 1893
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Original combination |