| Therion simile Ashmead, 1890 |
| Therion texanum (Ashmead, 1890) |
| Therion varicolor (Viereck, 1903) |
| Therion verticale (Morley, 1913) |
| Therion waccagum (Viereck, 1917) |
| Therium Agassiz, 1846 |
| Theronia Holmgren, 1859 |
| Theronia (Neotheronia) Krieger, 1898 |
| Theronia (Neotheronia) australis Cresson, 1970 |
| Theronia (Neotheronia) concolor (Smith, 1879) |
| Theronia (Neotheronia) concolor subsp. taeniata Smith, 1879 |
| Theronia (Neotheronia) montezuma Cresson, 1874 |
| Theronia (Neotheronia) nigro Brullé, 1846 |
| Theronia (Neotheronia) nigro subsp. lineata Brullé, 1846 |
| Theronia (Neotheronia) tacubaya Cresson, 1874 |
| Theronia (Neotheronia) tacubaya subsp. tacubaya Cresson, 1874 |
| Theronia (Theronia) Holmgren, 1859 |
| Theronia tacubaya Cresson, 1874 |
| Thersitia Schmiedeknecht, 1907 |
| Thymarimorpha Viereck, 1913 |