Family Dixidae
Many Fabricius types are in either poor condition or even lost. Please contact the Diptera Curator for information on the condition of the types for individual species. The Wiedemann material listed here is not in every case type material.
| Current Family | Genus (orig. comb.) | Species | Author | Citation | new combination /synonym of |
| Dixidae | Dixa | lateralis | Peder Nielsen | 1937: Vidensk. Meddr. Dansk Naturh. Foren. 101: 123 | Dixella laeta (Loew, 1849) |
| Dixidae | Dixa | nigra | Staeger | 1840: Naturhist. Tidsskrift [1] 3: 57 | Dixella |