| Limnerium websteri Crawford, 1912 |
| Limonethe Townes, 1946 |
| Limonethe annulicornis (Ashmead, 1895) |
| Limonethe meridionalis (Cresson, 1865) |
| Lindigia Kriechbaumer, 1898 |
| Linycus Cameron, 1903 |
| Linycus annulicornis (Cameron, 1904) |
| Liocryptus Thomson, 1873 |
| Liogaster Kriechbaumer, 1890 |
| Liopsis Förster, 1869 |
| Liopterna Townes, 1971 |
| Liopterna schlingeri Townes, 1971 |
| Liotheronia Enderlein, 1919 |
| Liotryphon Ashmead, 1900 |
| Liotryphon atriceps (Cresson, 1874) |
| Liotryphon petulcus (Cresson, 1872) |
| Lissichneumon Cameron, 1906 |
| Lissocaulus Townes & Townes, 1966 |
| Lissocaulus emaceratus (Cresson, 1868) |
| Lissonota Gravenhorst, 1829 |