Species (sp.): Hydroporus sp.
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Fæbydammen | Trøndelag, Norway | 1 | 1 | 0 | 1997-06-05 | |
| Kolbjørnviksjøen | Østfold, Norway | 1 | 1 | 0 | 1989-09-01 | |
| Lauvtjønna | Trøndelag, Norway | 1 | 1 | 0 | 1991-09-06 | |
| Lianvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1997-09-03 | |
| Ålesundsaksla | Møre og Romsdal, Norway | 1 | 1 | 0 | 1999-09-28 |
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