Species: Gerris rufoscutellatus
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Gullerudtjern | Buskerud, Norway | 1 | 1 | 0 | 1990-05-31 | |
| Harestuvannet | Akershus, Norway | 1 | 1 | 0 | 1994-08-29 | |
| Kolbjørnviksjøen | Østfold, Norway | 1 | 1 | 0 | 1991-09-05 | |
| Øymarksjøen | Østfold, Norway | 1 | 1 | 0 | 1997-05-29 |