| Spadicocrabro Tsuneki, 1990 |
| Sphecienus Patton, 1879 |
| Sphecius Dahlbom, 1843 |
| Sphecius raptor Handlirsch, 1889 |
| Sphecius speciosus (Drury, 1773) |
| Sphecius speciosus var. convallis Patton, 1879 |
| Spilomenina Menke, 1989 |
| Spilonema Shuckard, 1838 |
| Spilonema atrata Antropov, 1993 |
| Spilonema bicuspidata Antropov, 1993 |
| Spilonema foxii Cockerell, 1897 |
| Spilonema hurdi Antropov, 1993 |
| Spilonema pusilla (Say, 1837) |
| Steniolia Say, 1837 |
| Steniolia dissimilis Fox, 1923 |
| Steniolia duplicata Provancher, 1888 |
| Steniolia edwardsi Patton, 1894 |
| Steniolia elegans Parker, 1929 |
| Steniolia longirostra (Say, 1837) |
| Steniolia meridionalis Fox, 1923 |