| Microsage infulata (Cresson, 1868) |
| Microsage tragica (Cresson, 1868) |
| Microsage zaptlana (Cresson, 1874) |
| Microtritus Kriechbaumer, 1889 |
| Mima Davis, 1897 |
| Miomeroides Kiss, 1924 |
| Mischoxorides Ashmead, 1900 |
| Mnioes Townes, 1946 |
| Mnioes jucundus (Cresson, 1874) |
| Mnioes orbitalis (Cresson, 1874) |
| Mnioes pulcher Cameron, 1886 |
| Monoblastus Hartig, 1837 |
| Monoblastus affinis (Ashmead, 1901) |
| Monoblastus fuscipennis Ashmead, 1887 |
| Monoblastus innumerabilis (Davis, 1897) |
| Monoblastus montezuma (Cameron, 1886) |
| Monoblastus phaeopteris Townes, 1950 |
| Monoplectrochus Heinrich, 1949 |
| Monoplectron Holmgren, 1856 |
| Myermo Cameron, 1901 |