| Ageniinae Ashmead, 1900 |
| Agenioideus Ashmead, 1902 |
| Agenioideus (Agenioideus) Ashmead, 1902 |
| Agenioideus (Agenioideus) humilis (Cresson, 1867) |
| Agenioideus (Aporoideus) Ashmead, 1902 |
| Agenioideus (Gymnochares) Banks, 1917 |
| Agenioideus (Gymnochares) birkmanni (Banks, 1910) |
| Agenioideus (Ridestus) Banks, 1912 |
| Agenioideus (Ridestus) biedermani (Banks, 1910) |
| Agenioideus humilis Ashmead, 1902 |
| Agenioxenus Ashmead, 1902 |
| Agriogenia Banks, 1919 |
| Alasagenia Banks, 1944 |
| Alasagenia rubineus Dreisbach, 1950 |
| Allageniella Haupt, 1959 |
| Allaporus Banks, 1933 |
| Allaporus amabilis Evans, 1950 |
| Allaporus elegantulus Evans, 1953 |
| Allaporus fumipennis Evans, 1966 |
| Allaporus mexicanus Evans, 1950 |