| Stenoptycha coelodactyla Zeller, 1863 |
| Stenoptycha elcodes Dyar, 1910 |
| Sylepta Hübner, 1825 [1816] |
| Sylepta brumalis Barnes & McDunnough, 1914 |
| Sylepta glaucosia Hampson, 1912 |
| Syllepis Poey, 1832 |
| Syllepis hortalis (Walker, 1859) |
| Syllepte Hübner, 1823 |
| Syllepte angulifera (Druce, 1895) |
| Syllepte belialis (Walker, 1859) |
| Syllepte diacymalis Hampson, 1912 |
| Synclera Lederer, 1863 |
| Synclera jarbusalis (Walker, 1859) |
| Synclita Lederer, 1863 |
| Synclita obliteralis (Walker, 1859) |
| Syngamia Guenée, 1854 |
| Syngamia florella (Cramer, 1781 [1782]) |
| Terastia Guenée, 1854 |
| Terastia meticulosalis Guenée, 1854 |
| Thaumatopsis Morrison, 1874 |