Species: Gyrinus aeratus
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Fløyta | Akershus, Norway | 2 | 1 | 0 | 1992-06-12 | |
| Hjørungdalsvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1991-10-23 | |
| Krussætertjern | Østfold, Norway | 2 | 1 | 0 | 1990-10-23 | |
| Maltjern | Akershus, Norway | 3 | 1 | 0 | 1992-06-23 | |
| Rørvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-10-11 | |
| Sagtjernet | Innlandet, Norway | 2 | 1 | 0 | 1992-09-21 | |
| Vikerauntjønna | Trøndelag, Norway | 1 | 1 | 0 | 1992-09-11 | |
| Øymarksjøen | Østfold, Norway | 1 | 1 | 0 | 1997-05-29 |