| Spalangiomorpha Girault, 1913 |
| Spalangiopelta Masi, 1922 |
| Spalangiopelta albigena Darling, 1991 |
| Spalangiopelta laevis Darling, 1991 |
| Sphaerakis Masi, 1924 |
| Sturovia Boucek, 1961 |
| Syntomocera Förster, 1878 |
| Syntomocerella Ghesquière, 1946 |
| Syntomopus Walker, 1833 |
| Syntomopus affinis Ashmead, 1896 |
| Syntomopus americanus Ashmead, 1895 |
| Tetracampoides Dodd, 1915 |
| Theocolax Westwood, 1832 |
| Theocolax elegans (Westwood, 1874) |
| Theocolax fasciatipennis (Girault, 1913) |
| Theocolax metallica (Fullaway, 1913) |
| Theocolax oryzae (Risbec, 1951) |
| Theocolax rhizoperthae (Risbec, 1951) |
| Tityros Walker, 1848 |
| Tomicobia Ashmead, 1899 |