Family Xylophagidae
Total number of species: 7.
List of undetermined Xylophagidae
| Genus | Species | Author | No. of specs. or vials in collection |
Biogeographic Region |
| Anacanthaspis | japonica | Shiraki, 1932 | 1 |
Palaearctic |
| Coenomyia | ferruginea | (Scopoli, 1763) | 20 |
Palaearctic |
| Coenomyia | ferruginea | Scopoli, 1763 | 6 | Palaearctic (Danish) |
| Dialysis | aldrichi | Williston, 1895 | 1 | Nearctic |
| Heterostomus | curvipalpis | Bigot, 1857 | 1 | Neotropical |
| Xylophagus | ater | Meigen, 1804 | 53/Alc. | Palaearctic (Danish) |
| Xylophagus | ater | Meigen, 1804 | 2 | Palaearctic |
| Xylophagus | cinctus | (De Geer, 1776) | 5 | Palaearctic |
| Xylophagus | lugens | Loew, 1863 | 1 | earctic |