Species: Black Arches (Lymantria monacha)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Amtdal | Agder, Norway | 1 | 1 | 1 | 2010-08-02 | |
| Bredmosen | Østfold, Norway | 1 | 1 | 0 | 2018-07-19 | |
| Buøy | Telemark, Norway | 3 | 1 | 2 | 2014-07-21 | |
| Bøleveien 18 | Vestfold, Norway | 4 | 1 | 4 | 2021-07-24 | |
| Drangedal | Telemark, Norway | 1 | 1 | 1 | 2009-08-03 | |
| Flødeviga | Agder, Norway | 1 | 1 | 0 | 2013-07-28 | |
| Hasselgården, Jomfruland | Telemark, Norway | 8 | 1 | 1 | 2014-07-20 | |
| Herfell | Vestfold, Norway | 2 | 1 | 1 | 2017-07-23 | |
| Jeløya syd | Østfold, Norway | 1 | 1 | 0 | 2019-07-17 | |
| Lindås | Østfold, Norway | 1 | 1 | 1 | 2015-08-09 | |
| Mølen | Vestfold, Norway | 1 | 1 | 0 | 2015-08-15 | |
| Neslandsvatn | Telemark, Norway | 1 | 1 | 1 | 2007-07-26 | |
| Ospelia, Homborsund | Agder, Norway | 1 | 1 | 0 | 2010-08-02 | |
| Otteid (Storedal) | Østfold, Norway | 49 | 1 | 5 | 2019-08-10 | |
| Storås Skistadio | Vestfold, Norway | 1 | 1 | 1 | 2013-07-28 | |
| Sørkedalen 914 | Oslo, Norway | 12 | 1 | 11 | 2022-08-15 | |
| Tyrihjellåsen 33, Solbergfoss | Østfold, Norway | 6 | 1 | 6 | 2019-08-13 | |
| Øytangen, Jomfruland | Telemark, Norway | 1 | 1 | 0 | 2014-07-18 |