| Allochromus Marshall, 1902 |
| Allotypus Förster, 1862 |
| Alysia Latreille, 1804 |
| Alysia meridiana Wharton, 1986 |
| Alysia mexicana Wharton, 1986 |
| Alysia pallipes Say, 1828 |
| Alysia tubulata Wharton, 1986 |
| Alysia villosa Wharton, 1986 |
| Alysiasta Wharton, 1980 |
| Alysiasta caltagironei Wharton, 1980 |
| Alysiasta championi (Cameron, 1887) |
| Alysiinae Wharton, 1998 |
| Alysiini |
| Amicoplidea Ashmead, 1900 |
| Amicroplus Förster, 1862 |
| Amysoma Viereck, 1913 |
| Anacatostigma Enderlein, 1920 |
| Anaprixia Mason, 1991 |
| Anarcha Förster, 1862 |
| Anomopterus Rohwer, 1914 |