Formica exsectoides Forel, 1886b: xxxviii (w.q.) U.S.A. (New Hampshire, Connecticut, Pennsylvania). Nearctic.

Primary type information: Primary type material: syntype workers, syntype queens (numbers not stated). Primary type localities: U.S.A.: New Hampshire (received from Denny, 1877) (invalid restriction of type locality by Wheeler, 1913i: 483; no lectotype designated), U.S.A.: Connecticut (received from Denny, 1877), U.S.A.: Pennsylvania, Alleghenies (H.C. MacCook). Primary type depository: MHNG.

Infrasubspecies

• F. e. e. davisi Wheeler, 1913
• F. e. e. hesperia Wheeler, 1913