| Lavia Rayment, 1953 |
| Leiogorytes R. Bohart, 2000 |
| Leiogorytes guerrero R. Bohart, 2000 |
| Leocrabro Leclercq, 1968 |
| Lindeniina Ashmead, 1899 |
| Liris Fabricius, 1804 |
| Liris argentatus (Palisot de Beauvois, 1811) |
| Liris argenticauda (Cameron, 1889) |
| Liris asymphonus Krombein & Gingras, 1984 |
| Liris beatus (Cameron, 1889) |
| Liris deliquus Krombein & Gingras, 1984 |
| Liris evansi Krombein & Gingras, 1984 |
| Liris infrunitus Krombein & Gingras, 1984 |
| Liris liparus Krombein & Gingras, 1984 |
| Liris mescalero (Pate, 1943) |
| Liris mexicanus Krombein & Gingras, 1984 |
| Liris molestus Krombein & Gingras, 1984 |
| Liris nearcticus Krombein & Gingras, 1984 |
| Liris nigripennis Cameron, 1889 |
| Liris nigripennis subsp. occidentalis Viereck, 1903 |