| Acaenacis Girault, 1917 |
| Acaenacis taciti Girault, 1917 |
| Aepocerus Mayr, 1885 |
| Aepocerus emarginatus Mayr, 1885 |
| Aepocerus excavatus Mayr, 1885 |
| Aeronea Cameron, 1913 |
| Aeroneisca Ghesquière, 1946 |
| Ahlbergiella Rosen, 1955 |
| Allodibrachys Boucek, 1965 |
| Amblymerus Walker, 1834 |
| Amotura Cameron, 1884 |
| Amotura caelata Grissell, 1991 |
| Amotura hyalinipennis (Ashmead, 1896) |
| Amotura maculipennis (Ashmead, 1896) |
| Anisopteromalia Boucek, 1954 |
| Anisopteromalia crassinervis Boucek, 1954 |
| Anisopteromalus Ruschka, 1912 |
| Anisopteromalus australiensis (Girault, 1913) |
| Anisopteromalus brasiliensis (Domenichini, 1951) |
| Anisopteromalus calandrae (Howard, 1881) |