Family: U-mygg (Dixidae)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Bøbekken | Akershus, Norway | 1 | 1 | 0 | 2000-08-22 | |
| Elgtjern | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Kvassnesstemma | Vestland, Norway | 1 | 1 | 0 | 2001-09-17 | |
| Kverndammen | Telemark, Norway | 1 | 1 | 0 | 1989-09-26 | |
| Kvitblikkvannet | Nordland, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Lardal barneskole | Vestfold, Norway | 1 | 1 | 0 | 2013-09-20 | |
| Lianvatnet | Trøndelag, Norway | 2 | 2 | 0 | 1989-09-27 | |
| Myravatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Pytt ved Strand gård | Trøndelag, Norway | 1 | 1 | 0 | 2004-09-14 | |
| Svartaholtjørnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Vollsvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2013-08-30 | |