• Combination in Lasius: Mayr, 1861: 50 (in key).
• Combination in Donisthorpea: Donisthorpe, 1915f: 236.
• Combination in Lasius (Lasius): Forel, 1915d: 52.
• Combination in Formicina: Emery, 1916b: 63; Bondroit, 1918: 32.
• Combination in Formicina (Formicina): Emery, 1916a: 242.
• Combination in Lasius (Formicina): Wheeler, 1916o: 172; Wheeler, 1917k: 463.
• Combination in Chthonolasius: Kulmatycki, 1922: 79; Ruzsky, 1936: 91.
• Combination in Acanthomyops: Ruzsky, 1925b: 45.
• Combination in Acanthomyops (Chthonolasius): Donisthorpe, 1950e: 1064.
• Combination in Lasius (Chthonolasius): Ruzsky, 1912: 633; Ruzsky, 1914a: 59; Emery, 1925d: 234; Karavaiev, 1936: 211; Wilson, 1955a: 150.
• Junior synonym of Lasius umbratus: Wilson, 1955a: 150; Bernard, 1967a: 363; Smith, 1979: 1439; Coovert, 2005: 127 (error).
• Subspecies of Lasius umbratus: Forel, 1874: 47; Emery & Forel, 1879: 453; Mayr, 1886d: 430; Lameere, 1892: 65; Emery, 1893m: 191 (footnote); Emery, 1893k: 640; Ruzsky, 1896: 71; Saunders, 1896: 24; Wheeler, 1904f: 305; Ruzsky, 1905b: 288; Wheeler, 1905j: 397; Wheeler, 1906g: 13; Bondroit, 1910: 485; Wheeler, 1910h: 239; Wheeler, 1910a: 569; Karavaiev, 1912b: 587; Stitz, 1914: 86; Emery, 1914c: 159; Ruzsky, 1914a: 61; Forel, 1915d: 52 (in key); Wheeler, 1916o: 172; Wheeler, 1917a: 528; Wheeler, 1917h: 167; Wheeler, 1917k: 463; Escherich, 1917: 333 (in key); Emery, 1922b: 13; Kulmatycki, 1922: 79; Soudek, 1922b: 72; Emery, 1925d: 234; Ruzsky, 1925a: 288; Ruzsky, 1925b: 45; Schkaff, 1925b: 276; Stärcke, 1926a: 123 (in key); Karavaiev, 1927d: 279 (in key); Wheeler, 1928d: 120; Smith, 1928c: 277; Karavaiev, 1931e: 215; Arnol'di, 1933a: 603 (in key); Cole, 1936a: 37; Dennis, 1938: 296; Wesson & Wesson, 1940: 101; Teranishi, 1940: 22; Cole, 1942: 375; Smith, 1951c: 852; Chapman & Capco, 1951: 202; Ceballos, 1956: 317.
• Status as species: Foerster, 1850a: 41, 72; Schenck, 1852: 64; Mayr, 1855: 367 (redescription); Nylander, 1856b: 70; Gredler, 1858: 15; Smith, 1858a: 9; Mayr, 1861: 50 (in key); Meinert, 1861: 319; Roger, 1863b: 12; Mayr, 1863a: 426; Dours, 1873: 165; André, 1874b: 180 (in key); Emery, 1878: 47; André, 1882c: 196 (in key); Nasonov, 1889: 24; Dalla Torre, 1893: 187; Ruzsky, 1902d: 15; Ruzsky, 1903c: 207; Forel, 1904g: 424; Wasmann, 1906: 114 (in key); Bondroit, 1912: 352; Donisthorpe, 1915f: 236; Emery, 1916a: 242; Ruzsky, 1916: 5; Bondroit, 1918: 32; Bondroit, 1920a: 143; Müller, 1923b: 123 (in key); Donisthorpe, 1927c: 276; Finzi, 1930d: 317; Ruzsky, 1936: 91; Stärcke, 1937: 52 (redescription); Stitz, 1939: 295; Holgersen, 1940: 185; Novák & Sadil, 1941: 103 (in key); Holgersen, 1943c: 174 (in key); Holgersen, 1944a: 182; Ruzsky, 1946: 70; Van Boven, 1947b: 185 (in key); Arnol'di, 1948a: 212 (in list); Azuma, 1953: 4; Collingwood, 1962c: 219; Collingwood, 1963b: 149; Collingwood & Yarrow, 1969: 80; Baroni Urbani, 1971c: 211; Collingwood, 1971: 166; Banert & Pisarski, 1972: 354; Bourne, 1973: 26; Bolton & Collingwood, 1975: 7 (in key); Pisarski, 1975: 38; Van Boven, 1977: 151; Kutter, 1977c: 233; Arnol'di & Dlussky, 1978: 556 (in key); Collingwood, 1978: 90 (in key); Collingwood, 1979: 106; Agosti & Collingwood, 1987a: 58; Agosti & Collingwood, 1987b: 282 (in key); Nilsson & Douwes, 1987: 71; Seifert, 1988a: 145 (redescription); Seifert, 1990: 11; Casevitz-Weulersse, 1990c: 434; Atanassov & Dlussky, 1992: 249; Radchenko, 1994b: 115 (in key); Bolton, 1995b: 224; Douwes, 1995: 94; Poldi et al., 1995: 8; Espadaler, 1997g: 28; Gallé et al., 1998: 217; Czechowski et al., 2002: 115; Radchenko, 2005b: 170; Bračko, 2006: 149; Markó et al., 2006: 68; Petrov, 2006: 106 (in key); Bračko, 2007: 20; Radchenko, 2007: 34; Seifert, 2007: 281; Werner & Wiezik, 2007: 142; Zryanin & Zryanina, 2007: 235; Gratiashvili & Barjadze, 2008: 135; Casevitz-Weulersse & Galkowski, 2009: 484; Lapeva-Gjonova et al., 2010: 39; Boer, 2010: 39; Csősz et al., 2011: 58; Legakis, 2011: 27; Borowiec & Salata, 2012: 502; Czechowski et al., 2012: 283; Kiran & Karaman, 2012: 13; Borowiec, 2014: 87; Bračko et al., 2014: 20; Lebas et al., 2016: 206; Radchenko, 2016: 377; Steiner et al., 2017: 11; Salata & Borowiec, 2018c: 45; Seifert, 2018: 283; Werner et al., 2018: 6; Borowiec & Salata, 2022: 219 (redescription); Bračko, 2023: 145.

Obsolete combinations

• Formica mixta

Citations

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