Species: Birch Knot-horn (Ortholepis betulae)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Bjelland, Tromøy | Agder, Norway | 1 | 1 | 0 | 2014-07-15 | |
| Herfell | Vestfold, Norway | 1 | 1 | 0 | 2017-07-12 | |
| Kirkebygden barne- og ungdomsskole | Akershus, Norway | 1 | 1 | 0 | 2022-09-16 | |
| Otteid | Østfold, Norway | 2 | 1 | 1 | 2016-07-13 | |
| Otteid (Storedal) | Østfold, Norway | 4 | 1 | 2 | 2019-07-10 | |
| Pyttbua | Møre og Romsdal, Norway | 1 | 1 | 0 | 1996-07-24 |