| Smicronyx sculpticollis Casey, 1892 |
| Smicronyx seriatus LeConte, 1876 |
| Smicronyx sordidus LeConte, 1876 |
| Smicronyx spretus Dietz, 1894 |
| Smicronyx spurcus Casey, 1892 |
| Smicronyx squamulatus LeConte, 1876 |
| Smicronyx tectus Champion, 1902 |
| Smicronyx tenuirostris Champion, 1902 |
| Smicronyx tenuisquamis Champion, 1902 |
| Smicronyx thoracatus Champion, 1902 |
| Solaria Champion, 1908 |
| Solaria gibba Champion, 1908 |
| Solenosternus Schönherr, 1825 |
| Solenosternus diversus (Champion, 1909) |
| Solenosternus dividuus (Champion, 1909) |
| Spilonotus Champion, 1905 |
| Spilonotus ornatus Champion, 1905 |
| Staseas Champion, 1905 |
| Staseas cingulatus Champion, 1905 |
| Staseas difficilis (Klug, 1829) |