Family: Hydropsychidae
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Arkavatnet | Rogaland, Norway | 3 | 1 | 0 | 1992-09-22 | |
| Litlvatnet | Trøndelag, Norway | 2 | 1 | 0 | 1993-09-15 | |
| Røyvannet | Telemark, Norway | 2 | 1 | 0 | 1993-09-10 | |
| Sagtjernet | Innlandet, Norway | 3 | 1 | 0 | 1993-09-17 | |
| Semsvannet | Akershus, Norway | 2 | 2 | 0 | 1994-05-18 | |
| Tornesvatnet | Rogaland, Norway | 1 | 1 | 0 | 1990-09-27 |