1 subspecies

acervorum. Formica acervorum Fabricius, 1793: 358 (w.) DENMARK. Latreille, 1798: 49 (q.m.); Wheeler, G.C. & Wheeler, J. 1955b: 21 (l.). Combination in Leptothorax: Mayr, 1855: 436; in L. (Mychothorax): Ruzsky, 1904a: 288. Senior synonym of lacteipennis: Nylander, 1846a: 936; of kamtshaticus: Kupyanskaya, 1986b: 96; of orientalis: Kupyanskaya, 1990: 137; of nigrescens, superus: Radchenko, 1995a: 23. Material of the nomen nudum melanocephala referred here by Mayr, 1855: 411. Current subspecies: nominal plus vandeli. See also: Donisthorpe, 1915d: 147; Stitz, 1939: 158; Tarbinsky, 1976: 86; Kutter, 1977c: 128; Atanassov & Dlussky, 1992: 130; Terayama & Onoyama, 1999: 75.