Orthosia cerasi (Common Quaker)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Leiv Tommas Haugen | Rogaland, Norway | 236 | 1 | 2 | 2024-05-08 |
| Frode Falkenberg | Vestland, Norway | 231 | 1 | 16 | 2021-05-16 |
| Alf Tore Mjøs | Rogaland, Norway | 113 | 1 | 10 | 2023-05-15 |
| Olav Krogsæter | Vestland, Norway | 103 | 1 | 13 | 2015-05-18 |
| Even Mjaaland | Rogaland, Norway | 79 | 1 | 6 | 2017-05-30 |
| John Skartveit | Vestland, Norway | 62 | 1 | 6 | 2024-05-07 |
| Eivind Nielsen | Rogaland, Norway | 42 | 1 | 3 | 2023-05-19 |
| Christer Kamsvåg | Møre og Romsdal, Norway | 41 | 1 | 1 | 2018-05-10 |
| Kjell Mjølsnes | Rogaland, Norway | 36 | 1 | 1 | 2012-04-30 |
| John Grønning | Rogaland, Norway | 25 | 1 | 0 | 2016-04-13 |
| Sveinung Sigbjørnsen | Vestland, Norway | 22 | 1 | 9 | 2023-04-03 |
| Dag Øivind Ingierd | Akershus, Norway | 17 | 1 | 7 | 2014-05-06 |
| Ivar Stormo | Østfold, Norway | 16 | 1 | 7 | 2019-05-31 |
| Anders Lundberg | Vestland, Norway | 16 | 1 | 9 | 2016-05-16 |
| John Stenersen | Nordland, Norway | 12 | 1 | 9 | 2024-04-24 |
| Sissel og Nigel Goodgame | Vestland, Norway | 11 | 1 | 4 | 2013-05-19 |
| Rune Voie | Vestland, Norway | 11 | 1 | 2 | 2013-04-19 |
| Ola Moen | Vestland, Norway | 11 | 1 | 3 | 2016-05-10 |
| Peter Forseth | Trøndelag, Norway | 11 | 1 | 1 | 2024-05-06 |
| Dag L. Fjeldstad | Rogaland, Norway | 7 | 1 | 0 | 2014-03-29 |
| Michael Fredriksen | Vestland, Norway | 6 | 1 | 6 | 2014-04-28 |
| Lars Erik Johannessen | Østfold, Norway | 5 | 1 | 3 | 2010-05-14 |
| Fredrik Birkeland | Rogaland, Norway | 5 | 1 | 1 | 2016-05-20 |
| Egil Frantzen | Vestland, Norway | 4 | 1 | 3 | 2008-05-06 |
| Trond Einar Brobakk | Trøndelag, Norway | 4 | 1 | 2 | 2011-05-01 |
| Marte Falkenberg | Vestland, Norway | 3 | 1 | 0 | 2009-04-26 |
| Frank Lyngvær | Trøndelag, Norway | 3 | 1 | 0 | 2024-05-01 |
| Øyvind Stickler | Vestfold, Norway | 2 | 1 | 1 | 2022-04-21 |
| Turid og Jarle Bakken | Møre og Romsdal, Norway | 2 | 1 | 2 | 2015-05-11 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2009-04-08 |
| Geir Birkeland | Oslo, Norway | 1 | 1 | 1 | 2016-04-16 |
| Tor Strøm | Østfold, Norway | 1 | 1 | 0 | 2015-04-30 |
| Odd Hallaråker | Vestland, Norway | 1 | 1 | 1 | 2008-04-23 |
| John Martin Mjelde | Oslo, Norway | 1 | 1 | 1 | 2007-04-27 |
| Thomas Høyer Hansen | Møre og Romsdal, Norway | 1 | 1 | 0 | 2013-05-18 |
| Truls Lerdahl | Vestland, Norway | 1 | 1 | 1 | 2016-05-03 |
| Eli Gates | Akershus, Norway | 1 | 1 | 1 | 2016-05-09 |
| Morten A. Mjelde | Telemark, Norway | 1 | 1 | 1 | 2007-04-10 |
| Richard Cope | Agder, Norway | 1 | 1 | 0 | 2011-04-15 |
| Dag O. Bollingmo | Trøndelag, Norway | 1 | 1 | 1 | 2015-04-06 |
| Jan-Erik Olsen | Østfold, Norway | 1 | 1 | 1 | 2019-03-30 |
| Geirr O Pedersen | Akershus, Norway | 1 | 1 | 0 | 2011-04-20 |