| Syllythria Hübner, 1825 |
| Syllythria rosa Druce, 1895 |
| Syllythria salvia Druce, 1895 |
| Symphysa Hampson, 1899 |
| Symphysa hermalis Schaus, 1920 |
| Synclera Lederer, 1863 |
| Synclera jarbusalis (Walker, 1859) |
| Synclera traducalis (Zeller, 1852) |
| Synclita Lederer, 1863 |
| Synclita obliteralis Walker, 1859 |
| Syngamia Guenée, 1854 |
| Syngamia apicolor Druce, 1902 |
| Syngamia flabellalis Guenée, 1854 |
| Syngamia florella (Cramer & Stoll, 1781) |
| Syngamia haemorrhoidalis Guenée, 1854 |
| Syngamia inflamatalis Hampson, 1912 |
| Syngamia rubrocinctalis Guenée, 1854 |
| Syngamia tremulalis Druce, 1899 |
| Syngamilyta Strand, 1920 |
| Syngamilyta apicolor (Druce, 1902) |