| Myriarthridea Viereck, 1914 |
| Myriarthrus Förster, 1869 |
| Myriarthrus rufipleuris Förster, 1871 |
| Naenaria Cameron, 1903 |
| Naenaria (Neonaenaria) Uchida, 1956 |
| Narthecura Townes, 1946 |
| Narthecura limata (Cresson, 1868) |
| Narthecura munita (Cresson, 1868) |
| Narthecura propinqua (Cresson, 1868) |
| Nasutocryptus Pratt, 1945 |
| Nawaia Ashmead, 1906 |
| Neamblyjoppa Heinrich, 1962 |
| Neamblyjoppa nasuta Heinrich, 1962 |
| Neleophron Förster, 1869 |
| Neleothymus Förster, 1869 |
| Neleothymus acutus Dasch, 1979 |
| Neleothymus curvatus Dasch, 1979 |
| Neliopisthus Thomson, 1883 |
| Neliopisthus densatus (Say, 1835) |
| Neliopisthus similis Cushman, 1919 |