Species: Hydroporus erythrocephalus
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Abbortjernet | Innlandet, Norway | 1 | 1 | 0 | 1989-08-22 | |
| Gullerudtjern | Buskerud, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Hjørungdalsvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1991-10-23 | |
| Husavatnet | Vestland, Norway | 3 | 1 | 0 | 1992-09-18 | |
| Krussætertjern | Østfold, Norway | 2 | 1 | 0 | 1990-10-23 | |
| Lianvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1992-09-07 | |
| Longvatnet | Rogaland, Norway | 1 | 1 | 0 | 1990-09-28 | |
| Maltjern | Akershus, Norway | 1 | 1 | 0 | 1991-06-12 | |
| Skarvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1992-06-05 | |
| Vikerauntjønna | Trøndelag, Norway | 2 | 1 | 0 | 1992-09-11 | |