Formica herculeana Linnaeus, 1758: 579 (w.) SWEDEN. Palearctic.

Primary type information: Primary type material: syntype workers (number not stated). Primary type localities: Europe & America: (“Habitat in Europae”... “in America septentrionali. Kalm.”) (no further data). Primary type depositories: LSLC, ZMLS. Type notes: 1) Linnaeus, 1761: 426, gives the type locality as Sweden. 2) Day & Fitton, 1978: 196, cite 3 specimens in LSLC.

Infrasubspecies

• C. h. h. herculeanopennsylvanicus Forel, 1879
• C. h. h. koreanus Teranishi, 1940