Orthosia
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Kjell Mjølsnes | Rogaland, Norway | 49 | 7 | 2 | 2011-04-30 |
| Alf Tore Mjøs | Rogaland, Norway | 43 | 6 | 11 | 2011-04-30 |
| Even Mjaaland | Rogaland, Norway | 42 | 7 | 4 | 2011-04-30 |
| John Skartveit | Vestland, Norway | 42 | 5 | 14 | 2011-04-28 |
| Frode Falkenberg | Vestland, Norway | 40 | 4 | 3 | 2011-04-30 |
| Leiv Tommas Haugen | Rogaland, Norway | 31 | 5 | 0 | 2011-04-30 |
| Svein Sellevold Bekkum | Nordland, Norway | 25 | 3 | 10 | 2011-04-28 |
| Rune Voie | Vestland, Norway | 19 | 4 | 4 | 2011-04-30 |
| Olav Krogsæter | Vestland, Norway | 17 | 4 | 10 | 2011-04-29 |
| Nils Rogn | Innlandet, Norway | 15 | 2 | 8 | 2011-04-25 |
| John Grønning | Rogaland, Norway | 13 | 5 | 0 | 2011-04-23 |
| Trond Einar Brobakk | Trøndelag, Norway | 8 | 3 | 2 | 2011-04-30 |
| Eivind Nielsen | Rogaland, Norway | 6 | 2 | 0 | 2011-04-29 |
| Geirr O Pedersen | Akershus, Norway | 5 | 5 | 0 | 2011-04-21 |
| Richard Cope | Agder, Norway | 5 | 5 | 0 | 2011-04-16 |
| Ola Moen | Vestland, Norway | 3 | 2 | 0 | 2011-04-23 |
| Bjørn Pettersen | Innlandet, Norway | 2 | 1 | 1 | 2011-04-22 |
| Pål Mølnvik | Trøndelag, Norway | 1 | 1 | 0 | 2011-04-23 |
| Knut Ivar Steinsnes | Rogaland, Norway | 1 | 1 | 0 | 2011-04-29 |
| Olav Julsrud | Oslo, Norway | 1 | 1 | 2 | 2011-04-17 |
| Frank Alendal | Rogaland, Norway | 1 | 1 | 0 | 2011-04-19 |
| Roger Oseid | Innlandet, Norway | 1 | 1 | 1 | 2011-04-19 |