| Lasius (Acanthomyops) Fabricius, 1804 |
| Lasius alienoniger Forel, 1874 |
| Lasius alienus (Föerster, 1850) |
| Lasius americanus Emery, 1893 |
| Lasius aphidicola (Walsh, 1863) |
| Lasius arizonicus Wheeler, 1917 |
| Lasius belgarum (Bondroit, 1918) |
| Lasius californicus Wheeler, 1917 |
| Lasius escamole Reza, 1925 |
| Lasius exacutus Ruzsky, 1902 |
| Lasius interjectus Mayr, 1866 |
| Lasius interjectus subsp. arizonicus Wheeler, 1917 |
| Lasius interjectus subsp. californicus Wheeler, 1917 |
| Lasius interjectus subsp. mexicanus Wheeler, 1914 |
| Lasius latipes (Walsh, 1863) |
| Lasius mexicanus Wheeler, 1914 |
| Lasius niger (Linnaeus, 1758) |
| Lasius niger subsp. emeryi Ruzsky, 1905 |
| Lasius niger subsp. nitidus Kuznetsov-Ugamsky, 1927 |
| Lasius niger var. alieno-niger Forel, 1874 |