| Laelius pedatus (Say, 1836) |
| Laelius trogodermatis Ashmead, 1893 |
| Mangesia Kieffer, 1911 |
| Mesitinae Kieffer, 1914 |
| Mesitius Spinola, 1851 |
| Mesitius californicus Ashmead, 1893 |
| Mesitius longicollis Cameron, 1888 |
| Mesitius minutus Ashmead, 1893 |
| Mesitius nigropilosus Ashmead, 1895 |
| Misepyris Kieffer, 1913 |
| Muellerella de Saussure, 1892 |
| Neoesclerodema Kieffer, 1905 |
| Neopristocera Benoit, 1957 |
| Nesepyris Bridwell, 1920 |
| Nesepyris floridanus Evans, 1964 |
| Paralaelius Kieffer, 1906 |
| Parasierola Cameron, 1883 |
| Parasierola arcuata Kieffer, 1911 |
| Parasierola cellularis Say, 1836 |
| Parasierola cellularis subsp. cellularis Say, 1836 |