Myrmica lobicornis var. fracticornis Forel, 1901j: 371 (in text) (w.) U.S.A. (New York, Connecticut). Nearctic.

Primary type information: Primary type material: syntype workers (number not stated). Primary type localities: U.S.A.: New York, Buffalo (sent by Wasmann) (invalid restriction of type locality by Creighton, 1950a: 100; no lectotype designated), U.S.A.: Connecticut (T. Pergande). Primary type depositories: MCZC, MSNG.