| Laphria trux var. audax McAtee, 1919 |
| Laphria willistoniana Enderlein, 1914 |
| Laphriinae Macquart, 1838 |
| Laphriini Macquart, 1838 |
| Laphystia Loew, 1847 |
| Laphystia opaca Coquillett, 1904 |
| Laphystia sillersi Hull, 1963 |
| Laphystia sonora Wilcox, 1960 |
| Laphystia varipes Curran, 1931 |
| Laphystiinae Hendel, 1936 |
| Lapria Meigen, 1800 |
| Lasiopogon Loew, 1847 |
| Lasiopogon drabicola Cole, 1916 |
| Lasiopogon gabrieli Cole & Wilcox, 1938 |
| Lasiopogon zonatus Cole & Wilcox, 1938 |
| Lastaurini Papavero, 1973 |
| Lastaurus Loew, 1851 |
| Lastaurus anthracinus (Loew, 1851) |
| Lastaurus lugubris (Macquart, 1846) |
| Leptogaster Meigen, 1803 |