| Tachysphex yuma Pulawski, 1982 |
| Tachysphex zimmeri Mickel, 1916 |
| Tachystizus Minkiewicz, 1934 |
| Tachytes Panzer, 1806 |
| Tachytes amazonus Smith, 1856 |
| Tachytes andreniformis Cameron, 1889 |
| Tachytes anisitsi Strand, 1910 |
| Tachytes argenticrus Dalla Torre, 1897 |
| Tachytes argentipes Cameron, 1889 |
| Tachytes austrinus Banks, 1942 |
| Tachytes basirufus Rohwer, 1909 |
| Tachytes caelebs Patton, 1879 |
| Tachytes chrysocercus Rohwer, 1911 |
| Tachytes chrysopyga (Spinola, 1841) |
| Tachytes clypeatus Taschenberg, 1870 |
| Tachytes columbianus de Saussure, 1867 |
| Tachytes contractus Fox, 1892 |
| Tachytes distinctus Smith, 1856 |
| Tachytes dives Holmberg, 1884 |
| Tachytes elongatus Cresson, 1873 |