| Spiroptera contorta Rudolphi, 1819 |
| Spiroptera sexalata Molin, 1860 |
| Spiroptera uncinata Rudolphi, 1819 |
| Streptocara Railliet, Henry & Sissoff, 1912 |
| Streptocara formosensis Sugimoto, 1930 |
| Syncuaria Gilbert, 1927 |
| Syncuaria squamata (von Linstow, 1883) Wong, Anderson & Bartlett, 1986 |
| Synhimantus Railliet, Henry & Sissoff, 1912 |
| Synhimantus (Desportesius) Chabaud & Campana-Rouget, 1949 |
| Synhimantus (Desportesius) canadensis Mawson, 1956 |