Gyrinus marinus
| Deltaker | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. |
|---|---|---|---|---|---|
| Elverum videregående skole | Innlandet, Norway | 4 | 1 | 0 | 1992-09-21 |
| Holmestrand videregående skole | Vestfold, Norway | 1 | 1 | 0 | 1989-09-06 |
| Kristen videregående skole Trøndelag | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-22 |
| Ås videregående skole | Akershus, Norway | 1 | 1 | 0 | 1997-09-12 |
| Valler videregående skole | Akershus, Norway | 1 | 1 | 0 | 1991-09-07 |
| Frydenberg videregående skole | Østfold, Norway | 1 | 1 | 0 | 1989-09-27 |