Species: Gerris paludum
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Kolbjørnviksjøen | Østfold, Norway | 1 | 1 | 0 | 1993-06-10 | |
| Molbekktjernet | Østfold, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Øymarksjøen | Østfold, Norway | 1 | 1 | 0 | 1997-05-29 |
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Kolbjørnviksjøen | Østfold, Norway | 1 | 1 | 0 | 1993-06-10 | |
| Molbekktjernet | Østfold, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Øymarksjøen | Østfold, Norway | 1 | 1 | 0 | 1997-05-29 |