Family: Mudderfluer (Sialidae)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Abbortjern | Innlandet, Norway | 1 | 1 | 0 | 2018-05-28 | |
| Akersvannet | Vestfold, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Apalvågen til Fjæreidvatnet | Vestland, Norway | 1 | 1 | 0 | 1999-09-28 | |
| Arkavatnet | Rogaland, Norway | 2 | 1 | 0 | 1990-06-07 | |
| Burudvann | Akershus, Norway | 2 | 1 | 0 | 1993-09-14 | |
| Bøbekken | Akershus, Norway | 4 | 1 | 0 | 2000-09-08 | |
| Dælivannet | Akershus, Norway | 3 | 1 | 0 | 1992-09-10 | |
| Eikedokktjernet | Buskerud, Norway | 1 | 1 | 0 | 1990-06-06 | |
| Elgtjern | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Erlevegen 37 | Agder, Norway | 2 | 1 | 0 | 1993-09-09 | |
| Fløyta | Akershus, Norway | 2 | 1 | 0 | 1992-06-12 | |
| Frøylandsvatnet | Rogaland, Norway | 1 | 1 | 0 | 1991-09-11 | |
| Glitredammen | Akershus, Norway | 1 | 1 | 0 | 2004-09-03 | |
| Granavatnet | Trøndelag, Norway | 2 | 1 | 0 | 1990-05-28 | |
| Grindheimsvatnet | Agder, Norway | 1 | 1 | 0 | 1989-09-19 | |
| Gullerudtjern | Buskerud, Norway | 2 | 1 | 0 | 1990-05-31 | |
| Harestua | Akershus, Norway | 1 | 1 | 1 | 2022-04-19 | |
| Harestuavannet | Akershus, Norway | 1 | 1 | 0 | 2015-06-04 | |
| Haukvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-22 | |
| Hestsjøen | Trøndelag, Norway | 1 | 1 | 0 | 2004-09-16 | |
| hestsjøen | Trøndelag, Norway | 1 | 1 | 0 | 2004-09-23 | |
| Hjørungdalsvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1991-10-23 | |
| Hostadvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Husavatnet | Vestland, Norway | 7 | 1 | 0 | 1993-09-07 | |
| Jarenvannet | Innlandet, Norway | 3 | 1 | 0 | 1991-08-27 | |
| Jåbekkvannet | Agder, Norway | 2 | 1 | 0 | 1993-09-27 | |
| Kjemsjøen | Innlandet, Norway | 1 | 1 | 0 | 1990-06-13 | |
| Knurrvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-08-30 | |
| Kolbjørnviksjøen | Østfold, Norway | 4 | 1 | 0 | 1993-09-09 | |
| Koltjønna | Trøndelag, Norway | 3 | 1 | 0 | 1992-08-27 | |
| Korssjøen | Vestfold, Norway | 4 | 1 | 0 | 1993-09-09 | |
| Krussætertjern | Østfold, Norway | 2 | 1 | 0 | 1990-10-23 | |
| Kverndammen | Telemark, Norway | 1 | 1 | 0 | 1991-08-30 | |
| Laksådalsvatnet | Nordland, Norway | 1 | 1 | 0 | 1992-08-27 | |
| Langavatnet | Vestland, Norway | 3 | 1 | 0 | 1991-10-25 | |
| Laupen | Innlandet, Norway | 4 | 1 | 0 | 1993-10-04 | |
| Lauvtjønna | Trøndelag, Norway | 2 | 1 | 0 | 1993-06-11 | |
| Lianvatnet | Trøndelag, Norway | 4 | 1 | 0 | 1993-08-25 | |
| Lille luktvann | Nordland, Norway | 1 | 1 | 0 | 1991-09-25 | |
| Litlvatnet | Trøndelag, Norway | 4 | 1 | 0 | 1993-09-15 | |
| Ljøgodttjern | Akershus, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Longvatnet | Rogaland, Norway | 3 | 1 | 0 | 1990-09-28 | |
| Maltjern | Akershus, Norway | 3 | 1 | 0 | 1992-06-23 | |
| Merkestjørna | Vestland, Norway | 1 | 1 | 0 | 1990-06-06 | |
| Midsjøvannet | Akershus, Norway | 1 | 1 | 0 | 1993-09-19 | |
| Mildevatnet | Vestland, Norway | 1 | 1 | 0 | 2013-04-12 | |
| Moensvatnet | Vestland, Norway | 2 | 1 | 0 | 1993-09-29 | |
| Molbekktjernet | Østfold, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Mosvatnet | Rogaland, Norway | 2 | 1 | 0 | 1993-06-02 | |
| Myravatnet | Vestland, Norway | 1 | 1 | 0 | 1993-09-06 |