| Diplotaxis atratula LeConte, 1856 |
| Diplotaxis aulacochela Cazier, 1940 |
| Diplotaxis australis Vaurie, 1960 |
| Diplotaxis bakeri Cazier, 1940 |
| Diplotaxis barbarae Vaurie & Cazier, 1955 |
| Diplotaxis belfragei Fall, 1909 |
| Diplotaxis beyeri Schäffer, 1907 |
| Diplotaxis bicolor Bates, 1887 |
| Diplotaxis bifida Vaurie, 1960 |
| Diplotaxis boops Bates, 1888 |
| Diplotaxis bowditchi Fall, 1909 |
| Diplotaxis brachyptera Vaurie, 1960 |
| Diplotaxis brevicollis LeConte, 1856 |
| Diplotaxis brevicornis Cazier, 1940 |
| Diplotaxis brevidens LeConte, 1856 |
| Diplotaxis caelestis Delgado & Capistrán, 1993 |
| Diplotaxis carbonata LeConte, 1856 |
| Diplotaxis carinata Vaurie, 1958 |
| Diplotaxis carinifrons Bates, 1889 |
| Diplotaxis catarinas Vaurie & Cazier, 1955 |