Formica microgyna subsp. spatulata Buren, 1944a: 305 (w.q.m.) U.S.A. (Iowa, Minnesota). Nearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: U.S.A.: Iowa, nr Spirit Lake (W.F. Buren). Primary type depository: USNM. Secondary type information: Secondary type material: paratype workers, paratype queens, paratype males (numbers not stated, “two nests”). Secondary type localities: paratypes: with same data as holotype, U.S.A.: Minnesota, Wheaton (no collector’s name; perhaps W.F. Buren). Secondary type depositories: ISUI, LACM, USNM, MZSP. Type notes: Buren, 1944a says paratypes are also in the collections of “other institutions and individuals”, without specification.