Family Diastatidae
Total number of species: 12.
List of undetermined Diastatidae
| Genus | Species | Author | No. of specs. or vials in collection | Biogeographic Region |
| Diastata | adusta | Meigen, 1830 | 3 | Palaearctic |
| Campichoeta | grandiloba | McAlpine, 1962 | 8 | Palaearctic |
| Campichoeta | griseola | (Zetterstedt, 1855) | 1 | Palaearctic (Danish) |
| Campichoeta | obscuripennis | (Meigen, 1830) | 6 | Palaearctic |
| Campichoeta | obscuripennis | (Meigen, 1830) | 3 | Palaearctic (Danish) |
| Campichoeta | punctum | (Meigen, 1830) | 40 | Palaearctic (Danish) |
| Diastata | adusta | Meigen, 1830 | 8 | Palaearctic (Danish) |
| Diastata | cervinala | Chandler, 1987 | 2 | Palaearctic (Danish) |
| Diastata | costata | Meigen, 1830 | 28 | Palaearctic (Danish) |
| Diastata | fuscula | (Fallén, 1823) | 8 | Palaearctic |
| Diastata | fuscula | (Fallén, 1823) | 15 | Palaearctic (Danish) |
| Diastata | nebulosa | (Fallén, 1823) | 7 | Palaearctic |
| Diastata | nebulosa | (Fallén, 1823) | 13 | Palaearctic (Danish) |
| Diastata | ornata | Meigen, 1830 | 1 | Palaearctic (Danish) |
| Diastata | vagans | Loew, 1864 | 10 | Palaearctic (Danish) |