Formica rufa subsp. haemorrhoidalis Creighton, 1940a: 1, 7 (in key) (w.) U.S.A. (Colorado). Nearctic.

Primary type information: Primary type material: lectotype worker (by designation of Brown, 1965d: 181). Primary type locality: lectotype U.S.A.: Colorado (no collector’s name) (by restriction of Wheeler, 1913i: 441). Primary type depository: MHNG. Secondary type information: Secondary type material: paralectotype workers (number not stated). Secondary type locality: same as for lectotype. Secondary type depositories: MCZC, MHNG, MSNG. Type notes: Other original syntype locality: Dakota (no collector’s name).