Lymantria monacha (Black Arches)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Ivar Stormo | Østfold, Norway | 51 | 1 | 5 | 2019-08-10 |
| Dag Øivind Ingierd | Akershus, Norway | 12 | 1 | 11 | 2022-08-15 |
| Frode Falkenberg | Vestland, Norway | 6 | 1 | 2 | 2014-07-21 |
| John Stenersen | Nordland, Norway | 6 | 1 | 6 | 2019-08-13 |
| Øyvind Stickler | Vestfold, Norway | 5 | 1 | 5 | 2021-07-24 |
| Even Mjaaland | Rogaland, Norway | 4 | 1 | 2 | 2017-07-23 |
| Kjell Mjølsnes | Rogaland, Norway | 2 | 1 | 0 | 2013-07-28 |
| Lars Erik Johannessen | Østfold, Norway | 1 | 1 | 1 | 2015-08-09 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2009-08-03 |
| Morten A. Mjelde | Telemark, Norway | 1 | 1 | 1 | 2007-07-26 |