Hydriomena
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Svein Sellevold Bekkum | Nordland, Norway | 11 | 2 | 5 | 2009-05-31 |
| Kjell Mjølsnes | Rogaland, Norway | 3 | 2 | 3 | 2008-05-31 |
| Frode Falkenberg | Vestland, Norway | 2 | 1 | 2 | 2009-05-21 |
| Odd Hallaråker | Vestland, Norway | 1 | 1 | 1 | 2008-05-19 |
| Morten A. Mjelde | Telemark, Norway | 1 | 1 | 0 | 2007-05-12 |
| Even Mjaaland | Rogaland, Norway | 1 | 1 | 0 | 2007-05-21 |
| John Skartveit | Vestland, Norway | 1 | 1 | 0 | 1993-05-20 |
| Olav Krogsæter | Vestland, Norway | 1 | 1 | 1 | 2008-05-12 |
| Leiv Tommas Haugen | Rogaland, Norway | 1 | 1 | 0 | 2007-05-28 |