| Sphex ashmeadi Fernald, 1906 |
| Sphex aurifluus Perty, 1833 |
| Sphex aurocapillus Templeton, 1841 |
| Sphex aztecus de Saussure, 1867 |
| Sphex aztecus var. digueti Berland, 1926 |
| Sphex belfragei Cresson, 1873 |
| Sphex breviceps Hicks, 1933 |
| Sphex caementarius Drury, 1773 |
| Sphex caeruleum Peckham & Peckham, 1900 |
| Sphex caeruleus Linnaeus, 1763 |
| Sphex caliginosus Erichson, 1849 |
| Sphex chichimecus de Saussure, 1867 |
| Sphex chlorargyricus Costa, 1862 |
| Sphex chrysophorus Kohl, 1890 |
| Sphex clavipes Kohl, 1890 |
| Sphex communis Cresson, 1865 |
| Sphex congener Kohl, 1890 |
| Sphex costipennis Spinola, 1851 |
| Sphex croesus Lepeletier, 1845 |
| Sphex cubensis (Fernald, 1906) |