Lasius umbratus

Distribution
This taxon was described from Finland.

Nomenclature

 *  umbratus. Formica umbrata Nylander, 1846b: 1048 (q.m.) FINLAND. Schenck, 1852: 59 (w.); Hauschteck, 1962: 219 (k.); Hung, 1969: 456 (k.). Combination in Lasius: Mayr, 1861: 50; in Donisthorpea: Donisthorpe, 1915d: 223; in Formicina: Emery, 1916b: 241; in Acanthomyops: Ruzsky, 1925b: 44; in Chthonolasius: Ruzsky, 1936: 91; in Lasius (Chthonolasius): Ruzsky, 1914a: 59; Müller, 1923: 129; Emery, 1925b: 233; Wilson, 1955a: 150. Senior synonym of belgarum: Wilson, 1955a: 150; Seifert, 1988a: 150; of hirtiscapus: Wilson, 1955a: 150; Seifert, 1990: 11; of affinoumbratus, aphidicola, epinotalis, exacutus, nyaradi, osakana, silvestrii and material of the unavailable names mixtoaffinis, mixtobicornis referred here: Wilson, 1955a: 150; of mixtoumbratus: Wilson, 1955a: 150; Kutter, 1977c: 14. See also: Stitz, 1939: 291; Bernard, 1967: 363; Kutter, 1977c: 232; Yamauchi, 1979: 168; Seifert, 1988a: 150; Atanassov & Dlussky, 1992: 245; Radchenko, 2007: 34.
 * aphidicola. Formica aphidicola Walsh, 1863: 310 (w.q.m.) U.S.A. Wheeler, G.C. & Wheeler, J. 1953c: 150 (l.). Combination in Lasius: Mayr, 1886d: 429; in L. (Chthonolasius): Ruzsky, 1914a: 61. Junior synonym of flavus: Mayr, 1886d: 429. Revived from synonymy: Dalla Torre, 1893: 182. Subspecies of umbratus: Wheeler, W.M. 1908g: 406; Buren, 1944a: 297. Junior synonym of umbratus: Wilson, 1955a: 150.
 * exacutus. Lasius umbratus var. exacutus Ruzsky, 1902d: 15 (w.) RUSSIA. Combination in Acanthomyops: Ruzsky, 1925b: 44; in Lasius (Chthonolasius): Ruzsky, 1914a: 61; Emery, 1925b: 234. Subspecies of umbratus: Ruzsky, 1905b: 287. Raised to species: Ruzsky, 1925b: 44. Subspecies of bicornis: Menozzi, 1939a: 314 (in key). Junior synonym of umbratus: Wilson, 1955a: 150.
 * affinoumbratus. Lasius umbratus var. affinoumbratus Donisthorpe, 1914: 40 (w.) GREAT BRITAIN. Junior synonym of umbratus: Wilson, 1955a: 151.
 * belgarum. Formicina belgarum Bondroit, 1918: 31, fig. 17 (w.q.) BELGIUM. Combination in Lasius (Chthonolasius): Emery, 1925b: 234. Subspecies of umbratus: Stärcke, 1937: 57; of mixtus: Stitz, 1939: 299. Junior synonym of umbratus: Wilson, 1955a: 151; Seifert, 1988: 150.
 * silvestrii. Lasius (Chthonolasius) silvestrii Wheeler, W.M. 1928d: 120 (q.) JAPAN. Junior synonym of umbratus: Wilson, 1955a: 152.
 * hirtiscapus. Lasius umbratus var. hirtiscapus Stärcke, 1937: 43 (q.) CZECHOSLOVAKIA. Subspecies of mixtus: Stitz, 1939: 299. Junior synonym of umbratus: Wilson, 1955a: 152.
 * osakana. Lasius (Chthonolasius) silvestrii var. osakana Santschi, 1941: 278 (q.) JAPAN. Junior synonym of umbratus: Wilson, 1955a: 152.
 * nyaradi. Chthonolasius affinis var. nyaradi Röszler, 1943: 47 (w.q.) ROMANIA. Junior synonym of umbratus: Wilson, 1955a: 152.
 * epinotalis. Lasius (Chthonolasius) umbratus subsp. epinotalis Buren, 1944a: 297 (w.) U.S.A. Junior synonym of umbratus: Wilson, 1955a: 152.