Plebejus idas (Idas blue)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| John Skartveit | Vestland, Norway | 23 | 1 | 6 | 2023-08-30 |
| Frode Falkenberg | Vestland, Norway | 14 | 1 | 6 | 2021-07-14 |
| Trond Einar Brobakk | Trøndelag, Norway | 14 | 1 | 2 | 2012-08-14 |
| Leiv Tommas Haugen | Rogaland, Norway | 13 | 1 | 0 | 2021-07-23 |
| Ole Terland | Vestland, Norway | 12 | 1 | 13 | 2021-07-05 |
| Pål Mølnvik | Trøndelag, Norway | 8 | 1 | 0 | 2009-08-26 |
| Dag O. Bollingmo | Trøndelag, Norway | 8 | 1 | 2 | 2017-08-13 |
| Hans Brubak | Akershus, Norway | 7 | 1 | 9 | 2020-07-30 |
| Even Mjaaland | Rogaland, Norway | 7 | 1 | 0 | 2017-07-14 |
| Nils Rogn | Innlandet, Norway | 6 | 1 | 6 | 2015-08-13 |
| Lucy Birgitte Liahjell | Agder, Norway | 5 | 1 | 11 | 2022-07-19 |
| Morten S. Mølgaard | Finnmark, Norway | 4 | 1 | 0 | 2015-07-25 |
| John Stenersen | Nordland, Norway | 3 | 1 | 2 | 2016-07-14 |
| Ivar Stormo | Østfold, Norway | 3 | 1 | 4 | 2019-08-02 |
| Egil Frantzen | Vestland, Norway | 3 | 1 | 3 | 2009-07-14 |
| Stein Rui | Vestfold, Norway | 2 | 1 | 2 | 2018-07-13 |
| Svein Sellevold Bekkum | Nordland, Norway | 2 | 1 | 4 | 2020-07-27 |
| Rune Kvisla | Innlandet, Norway | 2 | 1 | 2 | 2016-06-22 |
| Ole-Bjarte Fatland | Rogaland, Norway | 1 | 1 | 1 | 2015-08-14 |
| Anders Lundberg | Vestland, Norway | 1 | 1 | 1 | 2015-07-05 |
| Gerry Rawcliffe | Haringey, United Kingdom | 1 | 1 | 1 | 2019-08-04 |
| Therese Havik | Vestland, Norway | 1 | 1 | 1 | 2020-07-09 |
| Kjøkkelvik skole | Vestland, Norway | 1 | 1 | 0 | 2018-07-01 |
| Lisa-Marie Thøring Mømb | Innlandet, Norway | 1 | 1 | 1 | 2021-07-18 |
| Andreas Meyer Winnem | Trøndelag, Norway | 1 | 1 | 1 | 2004-07-28 |
| Hildegunn B Sørstrand | Møre og Romsdal, Norway | 1 | 1 | 0 | 2014-07-09 |
| Kjell Mjølsnes | Rogaland, Norway | 1 | 1 | 0 | 2009-07-21 |
| Bjarne Oddane | Rogaland, Norway | 1 | 1 | 1 | 2007-06-19 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2007-07-14 |
| Odd Ketil Sæbø | Oslo, Norway | 1 | 1 | 1 | 2005-07-26 |
| Rune Voie | Vestland, Norway | 1 | 1 | 0 | 2011-08-12 |
| Trond S. Gimre | Agder, Norway | 1 | 1 | 1 | 2008-07-01 |
| Arnold Larsen | Vestland, Norway | 1 | 1 | 1 | 2005-07-28 |
| John Martin Mjelde | Oslo, Norway | 1 | 1 | 1 | 2007-06-20 |
| Frank Lyngvær | Trøndelag, Norway | 1 | 1 | 0 | 2020-06-25 |
| Lars-Henrik Jensen | Vestland, Norway | 1 | 1 | 3 | 2013-07-21 |
| Øyvind Stickler | Vestfold, Norway | 1 | 1 | 0 | 2018-07-13 |
| Helge Hafstad | Oslo, Norway | 1 | 1 | 1 | 2010-08-15 |
| Ole Vignes | Oslo, Norway | 1 | 1 | 1 | 2012-07-17 |
| Bjørn Pettersen | Innlandet, Norway | 1 | 1 | 1 | 2008-07-12 |
| Harri Jalava | Etelä-Suomen lääni, Finland | 1 | 1 | 0 | 1984-07-02 |