Formica castanea Latreille, 1802a: 118, pl. 3, figs. 11, 12 (w.q.m.) U.S.A. (Carolina, Pennsylvania). Nearctic.

Primary type information: Primary type material: syntype worker(s), syntype queen(s), syntype male(s) (numbers not stated). Primary type localities: U.S.A.: Carolina (Bosc), U.S.A.: Pennsylvania (Beauvois). Primary type depository: MNHN (possibly also MRSN).