Genus: Hydrometra
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Arkavatnet | Rogaland, Norway | 2 | 1 | 0 | 1994-09-12 | |
| Harestuvannet | Akershus, Norway | 1 | 1 | 0 | 2004-09-01 | |
| Jåbekkvannet | Agder, Norway | 2 | 1 | 0 | 1993-09-27 | |
| Mosvatnet | Rogaland, Norway | 4 | 1 | 0 | 1994-09-28 | |
| Rossevatn | Rogaland, Norway | 4 | 1 | 0 | 1993-09-20 | |
| Slettebøvannet | Rogaland, Norway | 1 | 1 | 0 | 2007-09-07 | |
| Tornesvatnet | Rogaland, Norway | 1 | 1 | 0 | 1994-09-08 |
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