Odontopera bidentata (Scalloped Hazel)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Frode Falkenberg | Vestland, Norway | 268 | 1 | 13 | 2022-06-04 |
| Olav Krogsæter | Vestland, Norway | 90 | 1 | 20 | 2015-07-03 |
| Even Mjaaland | Rogaland, Norway | 87 | 1 | 2 | 2017-06-16 |
| Anders Lundberg | Vestland, Norway | 55 | 1 | 9 | 2019-06-12 |
| Kjell Mjølsnes | Rogaland, Norway | 50 | 1 | 2 | 2017-06-24 |
| Svein Sellevold Bekkum | Nordland, Norway | 43 | 1 | 4 | 2018-06-10 |
| Christer Kamsvåg | Møre og Romsdal, Norway | 42 | 1 | 0 | 2018-06-02 |
| Alf Tore Mjøs | Rogaland, Norway | 40 | 1 | 6 | 2023-06-12 |
| Leiv Tommas Haugen | Rogaland, Norway | 40 | 1 | 1 | 2023-06-10 |
| Dag Øivind Ingierd | Akershus, Norway | 40 | 1 | 11 | 2014-05-30 |
| Ivar Stormo | Østfold, Norway | 37 | 1 | 3 | 2019-05-22 |
| Eivind Nielsen | Rogaland, Norway | 35 | 1 | 4 | 2023-06-28 |
| John Skartveit | Vestland, Norway | 34 | 1 | 1 | 2023-06-01 |
| Nils Rogn | Innlandet, Norway | 30 | 1 | 2 | 2023-06-27 |
| Egil Frantzen | Vestland, Norway | 11 | 1 | 1 | 2009-06-27 |
| Sissel og Nigel Goodgame | Vestland, Norway | 10 | 1 | 6 | 2015-06-28 |
| Ole Terland | Vestland, Norway | 8 | 1 | 7 | 2021-05-23 |
| Dag O. Bollingmo | Trøndelag, Norway | 8 | 1 | 2 | 2017-06-30 |
| John Grønning | Rogaland, Norway | 7 | 1 | 0 | 2016-06-15 |
| Turid og Jarle Bakken | Møre og Romsdal, Norway | 6 | 1 | 2 | 2016-06-01 |
| Pål Mølnvik | Trøndelag, Norway | 6 | 1 | 3 | 2013-06-01 |
| Sveinung Sigbjørnsen | Vestland, Norway | 6 | 1 | 4 | 2022-05-28 |
| Michael Fredriksen | Vestland, Norway | 5 | 1 | 2 | 2014-06-27 |
| John Stenersen | Nordland, Norway | 5 | 1 | 5 | 2023-06-06 |
| Ola Moen | Vestland, Norway | 5 | 1 | 0 | 2016-05-10 |
| Øyvind Stickler | Vestfold, Norway | 5 | 1 | 6 | 2022-06-18 |
| Eli Gates | Akershus, Norway | 3 | 1 | 3 | 2018-05-31 |
| Arild Breistøl | Vestland, Norway | 3 | 1 | 0 | 2009-06-25 |
| Peter Forseth | Trøndelag, Norway | 3 | 1 | 0 | 2021-06-03 |
| Håvar Hveding | Rogaland, Norway | 3 | 1 | 0 | 2015-06-18 |
| Lars Erik Johannessen | Østfold, Norway | 2 | 1 | 2 | 2009-05-28 |
| Frank Lyngvær | Trøndelag, Norway | 2 | 1 | 2 | 2021-05-17 |
| Frank Alendal | Rogaland, Norway | 2 | 1 | 1 | 2012-05-26 |
| Rune Voie | Vestland, Norway | 2 | 1 | 0 | 2015-07-13 |
| Kjell Tore Vogsland | Telemark, Norway | 2 | 1 | 1 | 2007-06-07 |
| Stein Rui | Vestfold, Norway | 2 | 1 | 2 | 2018-06-07 |
| Trond Einar Brobakk | Trøndelag, Norway | 2 | 1 | 2 | 2010-06-26 |
| Marte Falkenberg | Vestland, Norway | 2 | 1 | 1 | 2010-06-19 |
| Fredrik Birkeland | Rogaland, Norway | 1 | 1 | 0 | 2016-06-07 |
| Lars-Henrik Jensen | Vestland, Norway | 1 | 1 | 1 | 2011-06-07 |
| Aslak Nedregård | Møre og Romsdal, Norway | 1 | 1 | 1 | 2008-06-22 |
| John Martin Mjelde | Oslo, Norway | 1 | 1 | 1 | 2007-06-09 |
| Morten A. Mjelde | Telemark, Norway | 1 | 1 | 1 | 2007-06-06 |
| Jon Lurås | Innlandet, Norway | 1 | 1 | 1 | 2010-06-22 |
| Odd Hallaråker | Vestland, Norway | 1 | 1 | 1 | 2008-05-31 |
| Jan-Erik Olsen | Østfold, Norway | 1 | 1 | 1 | 2019-05-22 |
| Ole-Bjarte Fatland | Rogaland, Norway | 1 | 1 | 1 | 2015-06-19 |
| Geirr O Pedersen | Akershus, Norway | 1 | 1 | 0 | 2011-05-11 |