Helophilus
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Bjørkelangen | Akershus, Norway | 1 | 1 | 0 | 2024-05-20 | |
| Bruvik | Vestland, Norway | 1 | 1 | 1 | 2007-09-05 | |
| Hansbakkfjæra | Trøndelag, Norway | 2 | 1 | 0 | 2018-05-23 | |
| Sørborg | Vestland, Norway | 1 | 1 | 0 | 2014-07-22 |