Hydropsyche
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Vardafjell videregående skole | Rogaland, Norway | 4 | 1 | 0 | 1992-09-22 |
| Elverum videregående skole | Innlandet, Norway | 3 | 1 | 0 | 1993-09-17 |
| Surnadal vidaregåande skule | Møre og Romsdal, Norway | 2 | 1 | 0 | 1993-09-15 |
| Skien videregående skole/Avd Brekkeby | Telemark, Norway | 2 | 1 | 0 | 1993-09-10 |
| Natur videregående skole | Oslo, Norway | 2 | 2 | 0 | 1994-05-18 |