Family Xylomyidae
Total number of species: 3.
List of undetermined Xylomyidae
| Genus | Species | Author | No. of specs. or vials in collection |
Biogeographic Region |
| Solva | marginata | (Meigen, 1820) | 2 |
Palaearctic |
| Solva | marginata | (Meigen, 1820) | 7 | Palaearctic (Danish) |
| Solva | nigritibialis | (Macquart, 1838) | 2 | Palaearctic |
| Xylomya | maculata | (Meigen, 1804) | 2 | Palaearctic |
| Xylomya | maculata | (Meigen, 1804) | 74/Alc. | Palaearctic (Danish) |