Formica caryae Fitch, 1855: 855 (w.q.m.) U.S.A. Nearctic.

Primary type information: Primary type material: syntype workers, syntype queens, syntype males (numbers not stated). Primary type locality: none given. Primary type depository: USNM. Type notes: 1) Smith, 1940b: 137 (in text), cites 8w, 2q, 7m syntypes USNM (out of an original syntype series of 61 specimens). 2) Smith, 1940b: 137, gives the type locality as U.S.A.: New York, Washington County, Salem (A. Fitch). 3) Of the 61 syntypes 27 specimens (nos 5039-5065) are dated 29.i.1855, 29 specimens (nos 5249-5277) are dated 2.iv.1855, 5 specimens (nos 8135-8139) are dated 4.ii.1851.