Achlya flavicornis (Yellow Horned)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Svein Sellevold Bekkum | Nordland, Norway | 59 | 1 | 9 | 2019-05-01 |
| Ivar Stormo | Østfold, Norway | 54 | 1 | 7 | 2020-03-29 |
| Frode Falkenberg | Vestland, Norway | 44 | 1 | 13 | 2021-04-04 |
| Olav Krogsæter | Vestland, Norway | 33 | 1 | 13 | 2015-04-20 |
| John Grønning | Rogaland, Norway | 22 | 1 | 0 | 2016-04-11 |
| Nils Rogn | Innlandet, Norway | 21 | 1 | 2 | 2019-04-29 |
| Even Mjaaland | Rogaland, Norway | 16 | 1 | 2 | 2017-03-28 |
| Leiv Tommas Haugen | Rogaland, Norway | 14 | 1 | 1 | 2024-04-02 |
| Frank Lyngvær | Trøndelag, Norway | 12 | 1 | 8 | 2021-04-15 |
| John Skartveit | Vestland, Norway | 12 | 1 | 3 | 2022-04-21 |
| Dag Øivind Ingierd | Akershus, Norway | 12 | 1 | 7 | 2013-05-10 |
| Christer Kamsvåg | Møre og Romsdal, Norway | 12 | 1 | 2 | 2018-04-13 |
| Kjell Mjølsnes | Rogaland, Norway | 10 | 1 | 1 | 2012-03-24 |
| Dag L. Fjeldstad | Rogaland, Norway | 7 | 1 | 0 | 2014-03-29 |
| Dag O. Bollingmo | Trøndelag, Norway | 7 | 1 | 6 | 2017-04-04 |
| Lars Erik Johannessen | Østfold, Norway | 7 | 1 | 4 | 2015-04-07 |
| Rune Voie | Vestland, Norway | 6 | 1 | 3 | 2012-03-24 |
| Sveinung Sigbjørnsen | Vestland, Norway | 4 | 1 | 3 | 2023-04-03 |
| Kjell Meiningen | Oslo, Norway | 4 | 1 | 4 | 2019-04-03 |
| Ole Terland | Vestland, Norway | 4 | 1 | 4 | 2024-03-12 |
| Odd Hallaråker | Vestland, Norway | 3 | 1 | 2 | 2008-04-01 |
| Øyvind Stickler | Vestfold, Norway | 3 | 1 | 3 | 2012-03-27 |
| Eivind Nielsen | Rogaland, Norway | 3 | 1 | 2 | 2023-04-09 |
| Jan-Erik Olsen | Østfold, Norway | 2 | 1 | 2 | 2019-03-31 |
| Morten A. Mjelde | Telemark, Norway | 2 | 1 | 1 | 2007-04-14 |
| Pål Mølnvik | Trøndelag, Norway | 2 | 1 | 2 | 2018-05-03 |
| Thomas Høyer Hansen | Møre og Romsdal, Norway | 2 | 1 | 0 | 2013-04-29 |
| Ola Moen | Vestland, Norway | 2 | 1 | 2 | 2015-04-11 |
| Trond S. Gimre | Agder, Norway | 1 | 1 | 1 | 2008-03-22 |
| Eli Gates | Akershus, Norway | 1 | 1 | 1 | 2018-05-31 |
| Lars-Henrik Jensen | Vestland, Norway | 1 | 1 | 1 | 2010-04-03 |
| Roger Oseid | Innlandet, Norway | 1 | 1 | 1 | 2011-04-19 |
| Bjørn Pettersen | Innlandet, Norway | 1 | 1 | 1 | 2011-04-25 |
| Trond Einar Brobakk | Trøndelag, Norway | 1 | 1 | 1 | 2010-04-07 |
| Michael Fredriksen | Vestland, Norway | 1 | 1 | 1 | 2008-03-13 |
| Lotte Martine Lagerholt | Østfold, Norway | 1 | 1 | 0 | 2016-03-27 |
| Sissel og Nigel Goodgame | Vestland, Norway | 1 | 1 | 2 | 2013-04-20 |
| Geirr O Pedersen | Akershus, Norway | 1 | 1 | 0 | 2011-04-19 |
| Alf Tore Mjøs | Rogaland, Norway | 1 | 1 | 1 | 2014-05-23 |
| John Stenersen | Nordland, Norway | 1 | 1 | 2 | 2017-04-12 |
| Peter Forseth | Trøndelag, Norway | 1 | 1 | 1 | 2023-04-18 |
| Anders Lundberg | Vestland, Norway | 1 | 1 | 1 | 2015-03-25 |
| John Martin Mjelde | Oslo, Norway | 1 | 1 | 1 | 2007-06-01 |
| Knut Ivar Steinsnes | Rogaland, Norway | 1 | 1 | 1 | 2011-04-10 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2008-04-04 |