Formica lasioides Emery, 1893k: 664 (w.) U.S.A. (South Dakota). Nearctic.

Primary type information: Primary type material: 3 syntype workers. Primary type locality: U.S.A.: South Dakota, Hill City (T. Pergande). Primary type depositories: MCZC, MSNG.

Infrasubspecies

• F. n. l. vidua Wheeler, 1913