| Juriniopsis aurifrons Brooks, 1949 |
| Juriniopsis lampuris Reinhard, 1953 |
| Juriniopsis niditiventris (Curran, 1928) |
| Juriniopsis nitidula (Wulp, 1892) |
| Jurinodexia Townsend, 1915 |
| Jurinodexia bicolor (Giglio-Tos, 1893) |
| Kirbya Robineau-Desvoidy, 1830 |
| Kirbya aenescens (Curran, 1927) |
| Kirbya setosa Townsend, 1915 |
| Lachnommopsis Townsend, 1915 |
| Lasioneura Coquillett, 1895 |
| Latreillia Robineau-Desvoidy, 1830 |
| Latreillimyia Townsend, 1908 |
| Leptoda Wulp, 1885 |
| Leptostylum Macquart, 1851 |
| Leptostylum leuconotum (Wulp, 1890) |
| Leschenaultia Robineau-Desvoidy, 1830 |
| Leschenaultia bicolor (Macquart, 1846) |
| Leschenaultia brooksi Toma & Guimaraes, 2002 |
| Leschenaultia hospita Reinhard, 1952 |