- Lasius alienoflavus Bingham, 1903
- Lasius alienus (Foerster, 1850)
- Lasius atopus Cole, 1958
- Lasius balcanicus Seifert, 1988
- Lasius bicornis (Foerster, 1850)
- Lasius breviscapus Seifert, 1992
- Lasius brunneus (Latreille, 1798)
- Lasius buccatus Staercke, 1942
- Lasius capitatus (Kuznetsov-Ugamsky, 1927)
- Lasius carniolicus Mayr, 1861
- Lasius chambonensis Theobald, 1935
- Lasius cinereus Seifert, 1992
- Lasius citrinus Emery, 1922
- Lasius coloratus Santschi, 1937
- Lasius crinitus (Smith, 1858)
- Lasius crispus Theobald, 1935
- Lasius crypticus Wilson, 1955
- Lasius distinguendus (Emery, 1916)
- Lasius draco Collingwood, 1982
- Lasius emarginatus (Olivier, 1792)
- Lasius epicentrus Theobald, 1937
- Lasius escamole Reza, 1925
- Lasius exulans Fabricius, 1804
- Lasius fallax Wilson, 1955
- Lasius flavescens Forel, 1904
- Lasius flavoniger Seifert, 1992
- Lasius flavus (Fabricius, 1782)
- Lasius fuliginosus (Latreille, 1798)
- Lasius gebaueri Seifert, 1992
- Lasius globularis (Heer, 1850)
- Lasius grandis Forel, 1909
- Lasius hayashi Yamauchi et Hayashida, 1970
- Lasius hikosanus Yamauchi, 1979
- Lasius himalayanus Bingham, 1903
- Lasius hirsutus Seifert, 1992
- Lasius humilis Wheeler, 1917
- Lasius japonicus Santschi, 1941
- Lasius jensi Seifert, 1982
- Lasius karpinisi Seifert, 1992
- Lasius koreanus Seifert, 1992
- Lasius lasioides (Emery, 1869)
- Lasius lawarai Seifert, 1992
- Lasius longaevus (Heer, 1850)
- Lasius longipennis (Heer, 1850)
- Lasius magnus Seifert, 1992
- Lasius meridionalis (Bondroit, 1920)
- Lasius mikir Collingwood, 1982
- Lasius minutulus (Heer, 1850)
- Lasius minutus Emery, 1893
- Lasius mixtus (Nylander, 1846)
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- Lasius monticola (Buckley, 1866)
- Lasius morisitai Yamauchi, 1979
- Lasius myops Forel, 1894
- Lasius nearcticus Wheeler, 1906
- Lasius neglectus
- Lasius nemorivagus Wheeler, 1915
- Lasius neoniger Emery, 1893
- Lasius nevadensis Cole, 1956
- Lasius niger (Linnaeus, 1758)
- Lasius nigrescens Stitz, 1930
- Lasius obliteratus (Heer, 1850)
- Lasius oblongus Assmann, 1870
- Lasius obscuratus Stitz, 1930
- Lasius obscurus (Heer, 1850)
- Lasius occultatus (Heer, 1850)
- Lasius pallitarsis (Provancher, 1881)
- Lasius paralienus Seifert, 1992
- Lasius peritulus (Cockerell, 1927)
- Lasius piliferus Seifert, 1992
- Lasius platythorax Seifert, 1991
- Lasius productus Wilson, 1955
- Lasius przewalskii Ruzsky, 1915
- Lasius psammophilus Seifert, 1992
- Lasius pumilus Mayr, 1868
- Lasius rabaudi (Bondroit, 1917)
- Lasius redtenbacheri (Heer, 1850)
- Lasius reginae Faber, 1967
- Lasius rubiginosus (Latreille, 1802)
- Lasius sabularum (Bondroit, 1918)
- Lasius sakagamii Yamauchi et Hayashida, 1970
- Lasius schaeferi Seifert, 1992
- Lasius schiefferdeckeri Mayr, 1868
- Lasius schulzi Seifert, 1992
- Lasius sitiens Wilson, 1955
- Lasius sonobei Yamauchi, 1979
- Lasius spathepus Wheeler, 1910
- Lasius speculiventris Emery, 1893
- Lasius subumbratus Viereck, 1903
- Lasius talpa Wilson, 1955
- Lasius tebessae Seifert, 1992
- Lasius teranishii Wheeler, 1928
- Lasius terreus Scudder, 1878
- Lasius tertiarius Zalessky, 1949
- Lasius turcicus Santschi, 1921
- Lasius umbratus (Nylander, 1846)
- Lasius uzbeki Seifert, 1992
- Lasius vestitus Wheeler, 1910
- Lasius vetulus Dlussky, 1981
- Lasius viehmeyeri Emery, 1922
- Lasius wittmeri Seifert, 1992
- Lasius xerophilus MacKay et MacKay, 1994
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