Leptothorax acervorum

Distribution
This taxon was described from Denmark.

Nomenclature

 *  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.
 * lacteipennis. Myrmica lacteipennis Zetterstedt, 1838: 452 (m.) SWEDEN. Junior synonym of acervorum: Nylander, 1846a: 936.
 * nigrescens. Leptothorax acervorum var. nigrescens Ruzsky, 1905b: 614 (w.) RUSSIA. Subspecies of acervorum: Ruzsky, 1936: 94; Pisarski, 1969b: 297. Junior synonym of acervorum: Radchenko, 1995a: 23.
 * superus. Leptothorax (Mychothorax) acervorum var. superus Ruzsky, 1905b: 614 (w.m.) RUSSIA. [Later misspelled as superbus by Ruzsky, 1936: 94.] Junior synonym of acervorum: Radchenko, 1995a: 23.
 * kamtshaticus. Leptothorax (Mychothorax) acervorum subsp. kamtshaticus Ruzsky, 1920: 77 (w.) RUSSIA. Junior synonym of acervorum: Kupyanskaya, 1986b: 96.
 * orientalis. Mychothorax acervorum subsp. orientalis Kuznetsov-Ugamsky, 1928b: 31 (w.) RUSSIA. Junior synonym of acervorum: Kupyanskaya, 1990: 137.