| Marasmia cochrusalis (Walker, 1859) |
| Margaroniini Swinhoe & Cotes, 1889 |
| Maruca Walker, 1859 |
| Maruca vitrata Fabricius, 1787 |
| Megastes Guenée, 1854 |
| Megastes septentrionis Hampson, 1913 |
| Microcausta Hampson, 1895 |
| Microcausta bipunctalis Barnes & McDunnough, 1914 |
| Microthyris Lederer, 1863 |
| Mimophobetron Munroe, 1950 |
| Mimophobetron pyropsalis (Hampson, 1904) |
| Mimoschinia Warren, 1892 |
| Mimoschinia rufofascialis (Stephens, 1834) |
| Nacoleia Walker, 1859 |
| Nacoleia salbialis Hampson, 1898 |
| Neohelvibotys Munroe, 1976 |
| Neohelvibotys arizonensis Capps, 1967 |
| Niphograpta Warren, 1892 |
| Niphograpta albiguttalis (Warren, 1889) |
| Nomophila Hübner, 1825 |