| Entomognathus evolutionis (Leclercq, 1956) |
| Entomognathus guerreroi Bohart, 1995 |
| Entomognathus mexicanus Cameron, 1904 |
| Entomognathus texanus Cresson, 1887 |
| Eopsenulus Gussakovskij, 1934 |
| Ephiphilanthus Ashmead, 1899 |
| Epibembex Pate, 1937 |
| Epicrossocerus Ashmead, 1899 |
| Epinysson Pate, 1935 |
| Epinysson aztecus (Cresson, 1882) |
| Epinysson desertus Bohart, 1968 |
| Epinysson zapotecus (Cresson, 1882) |
| Eucerceris Cresson, 1865 |
| Eucerceris angulata Rohwer, 1912 |
| Eucerceris arizonensis Scullen, 1939 |
| Eucerceris atrata Scullen, 1968 |
| Eucerceris baccharidis Scullen, 1968 |
| Eucerceris baja Scullen, 1949 |
| Eucerceris biconica Scullen, 1948 |
| Eucerceris bidentata Say, 1823 |