Lasius alienus

Distribution
This taxon was described from Germany.

Nomenclature

 *  alienus. Formica aliena Foerster, 1850a: 36 (w.m.) GERMANY. Foerster, 1850a: 71 (q.); Wheeler, G.C. & Wheeler, J. 1953c: 147 (l.); Hauschteck, 1962: 219 (k.). Combination in Lasius: Mayr, 1861: 49; in Donisthorpea: Donisthorpe, 1915d: 212; in Formicina: Emery, 1916b: 240; in Acanthomyops: Ruzsky, 1925b: 44; in Lasius: Menozzi, 1921: 32; Müller, 1923: 125; Emery, 1925b: 230; Kuznetsov-Ugamsky, 1929a: 27. Subspecies of niger: Forel, 1874: 46; Mayr, 1886d: 429; Forel, 1892i: 307; Forel, 1904b: 386; Wheeler, W.M. 1906c: 322; Forel, 1913d: 438; Forel, 1915d: 53; Emery, 1916b: 240; Santschi, 1925g: 349; Karavaiev, 1927c: 280; Menozzi, 1936d: 305; Menozzi, 1939a: 312. Status as species: Saunders, E. 1880: 209; André, 1882b: 192; Nasonov, 1889: 22; Emery, 1897f: 238; Ruzsky, 1902d: 16; Emery, 1908d: 24; Bondroit, 1911: 11; Donisthorpe, 1915d: 212; Bondroit, 1918: 25; Stitz, 1939: 279; Novak & Sadil, 1941: 101; Röszler, 1942a: 53; Stärcke, 1944a: 153; Wilson, 1955a: 77; Baroni Urbani, 1971c: 200; Kutter, 1977c: 227; Collingwood, 1979: 97; Yamauchi, 1979: 156; Collingwood, 1982: 285; Kupyanskaya, 1990: 218; Atanassov & Dlussky, 1992: 237; Seifert, 1992b: 13. Senior synonym of americanus, pannonica and material of the unavailable names alienoamericanus, flavidus, turkmenus referred here: Wilson, 1955a: 77.
 * americanus. Lasius niger var. americanus Emery, 1893i: 639 (w.q.m.) U.S.A. Wheeler, G.C. & Wheeler, J. 1953c: 147 (l.). Subspecies of niger: Wheeler, W.M. 1904e: 305; Forel, 1900e: 285; Buren, 1944a: 296. Raised to species: Gregg, E.V. 1945: 530. Subspecies of alienus: Creighton, 1950a: 419. Junior synonym of alienus: Wilson, 1955a: 77.
 * pannonica. Lasius alienus var. pannonica Röszler, 1942b: 40 (w.) HUNGARY. Junior synonym of alienus: Wilson, 1955a: 78. Unrecognisable taxon, incertae sedis in Lasius: Seifert, 1992b: 48.