| Brachypterus Gravenhorst, 1829 |
| Brephoctonus Förster, 1868 |
| Buathra Cameron, 1903 |
| Buathra lochmaia (Townes, 1962) |
| Buchekerius Schulz, 1906 |
| Caligulina Strand, 1928 |
| Callicryptus Ashmead, 1900 |
| Calliephialtes Ashmead, 1900 |
| Calliephialtes coxatus (Smith, 1879) |
| Calliephialtes notandus (Cresson, 1870) |
| Calliephialtes thurberiae Cushman, 1915 |
| Camera Townes, 1962 |
| Camera euryaspis (Cameron, 1885) |
| Campocineta Schmiedeknecht, 1900 |
| Campoctonoides Viereck, 1925 |
| Campoctonus Viereck, 1912 |
| Campoctonus bicolor Walley, 1977 |
| Campoctonus flavidus Walley, 1977 |
| Campoletis Förster, 1869 |
| Campoletis flavicincta (Ashmead, 1890) |