Ortholepis betulae (Birch Knot-horn)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Even Mjaaland | Rogaland, Norway | 4 | 1 | 1 | 2017-07-12 |
| Ivar Stormo | Østfold, Norway | 4 | 1 | 2 | 2019-07-10 |
| John Skartveit | Vestland, Norway | 1 | 1 | 0 | 1996-07-24 |
| Kirkebygden barne- og ungdomsskole | Akershus, Norway | 1 | 1 | 0 | 2022-09-16 |