Primary type information:
Type-material: syntype workers, syntype queens (numbers not stated), 1 syntype male. Type-locality: at least 1 worker, 1 queen U.S.A.: District of Columbia (no collector’s name) (by restriction of Creighton, 1950a: 249). Type-depositories: MCZC, MNHU, MSNG, USNM.
Type notes:
Other syntypes and localities mentioned by Emery include: 1 worker New York, 1 worker Pennsylvania, 1 worker, 1 queen Carolina, 1 male with no locality data.