| Ephialtes (Itoplectis) temnopleuris Cushman, 1920 |
| Ephialtes nigricans Cameron, 1884 |
| Ephialtes zapotecus Cresson, 1873 |
| Ephialtina Szépligeti, 1908 |
| Ephialtini Hellén |
| Ephialtomorpha Ashmead, 1906 |
| Epicremastus Szépligeti, 1905 |
| Epimecis Brullé, 1846 |
| Epimecis tibialis Ashmead, 1904 |
| Epimecoideus Ashmead, 1900 |
| Epiopelmidea Viereck, 1913 |
| Epiphobus Förster, 1869 |
| Epirhyssa Cresson, 1865 |
| Epirhyssa dietrichi Townes, 1960 |
| Epirhyssa immaculata Morley, 1913 |
| Epirhyssa mexicana Cresson, 1874 |
| Epirhyssa oaxaca Porter, 1978 |
| Epirhyssa xoutha Porter, 1978 |
| Epiurus Förster, 1869 |
| Epiurus albitibia Morley, 1914 |