Xanthorhoe ferrugata (Dark-barred Twin-spot)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Morten A. Mjelde | Telemark, Norway | 1 | 1 | 1 | 2007-05-12 |
| John Martin Mjelde | Oslo, Norway | 1 | 1 | 1 | 2007-05-26 |
| Lars Erik Johannessen | Østfold, Norway | 1 | 1 | 1 | 2009-05-26 |