Species: Brown Hairstreak (Thecla betulae)
| Område | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. | |
|---|---|---|---|---|---|---|
| Askim | Østfold, Norway | 1 | 1 | 1 | 2015-09-06 | |
| Bakkeløkka | Akershus, Norway | 1 | 1 | 2 | 2016-09-16 | |
| Drangedal | Telemark, Norway | 2 | 1 | 2 | 2007-09-26 | |
| Hovet | Telemark, Norway | 1 | 1 | 0 | 2014-07-21 | |
| Moutmarka | Vestfold, Norway | 1 | 1 | 0 | 2013-07-29 | |
| Mølen | Vestfold, Norway | 1 | 1 | 0 | 2012-09-01 | |
| Mølen, Odden | Vestfold, Norway | 1 | 1 | 2 | 2023-08-18 | |
| Neslandsvatn | Telemark, Norway | 1 | 1 | 1 | 2006-07-28 | |
| Pirane, Hvasser | Vestfold, Norway | 3 | 1 | 2 | 2014-08-07 | |
| Tomtabakken 3 | Akershus, Norway | 1 | 1 | 1 | 2019-08-24 | |
| Vestre Sandøya | Agder, Norway | 1 | 1 | 2 | 2024-08-05 | |
| Vestre Sandøya, Klåholmen | Agder, Norway | 5 | 1 | 13 | 2023-08-20 | |
| Øren | Buskerud, Norway | 2 | 1 | 8 | 2012-06-15 |