Thecla betulae (Brown Hairstreak)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Lucy Birgitte Liahjell | Agder, Norway | 4 | 1 | 10 | 2020-08-13 |
| John Stenersen | Nordland, Norway | 4 | 1 | 2 | 2014-08-07 |
| Kjell Tore Vogsland | Telemark, Norway | 2 | 1 | 2 | 2007-09-26 |
| Hildur K. Wilhelmsen | Buskerud, Norway | 2 | 1 | 8 | 2012-06-15 |
| Arne Åsheim | Telemark, Norway | 1 | 1 | 0 | 2014-07-21 |
| Øyvind Stickler | Vestfold, Norway | 1 | 1 | 2 | 2023-08-18 |
| Hans Brubak | Akershus, Norway | 1 | 1 | 1 | 2019-08-24 |
| Even Mjaaland | Rogaland, Norway | 1 | 1 | 0 | 2012-09-01 |
| Ivar Stormo | Østfold, Norway | 1 | 1 | 1 | 2015-09-06 |
| Morten A. Mjelde | Telemark, Norway | 1 | 1 | 1 | 2006-07-28 |
| Eli Gates | Akershus, Norway | 1 | 1 | 2 | 2016-09-16 |