Xanthorhoe quadrifasiata (Large Twin-spot Carpet)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Ivar Stormo | Østfold, Norway | 57 | 1 | 4 | 2019-08-10 |
| Svein Sellevold Bekkum | Nordland, Norway | 34 | 1 | 3 | 2015-08-02 |
| Frode Falkenberg | Vestland, Norway | 15 | 1 | 1 | 2015-07-10 |
| Even Mjaaland | Rogaland, Norway | 13 | 1 | 2 | 2017-07-22 |
| Øyvind Stickler | Vestfold, Norway | 13 | 1 | 9 | 2023-07-13 |
| Nils Rogn | Innlandet, Norway | 7 | 1 | 3 | 2020-07-17 |
| Geirr O Pedersen | Akershus, Norway | 6 | 1 | 0 | 2011-08-07 |
| Eli Gates | Akershus, Norway | 4 | 1 | 4 | 2017-07-14 |
| Lars Erik Johannessen | Østfold, Norway | 4 | 1 | 2 | 2010-08-06 |
| Kjell Mjølsnes | Rogaland, Norway | 3 | 1 | 1 | 2017-07-22 |
| Hans Brubak | Akershus, Norway | 2 | 1 | 2 | 2014-06-18 |
| Kjell Tore Vogsland | Telemark, Norway | 2 | 1 | 2 | 2006-07-08 |
| Leiv Tommas Haugen | Rogaland, Norway | 2 | 1 | 0 | 2020-07-02 |
| Dag Øivind Ingierd | Akershus, Norway | 2 | 1 | 3 | 2011-07-04 |
| Alf Tore Mjøs | Rogaland, Norway | 1 | 1 | 1 | 2007-07-19 |
| Gunvor Hustoft | Rogaland, Norway | 1 | 1 | 0 | 2014-05-18 |
| John Stenersen | Nordland, Norway | 1 | 1 | 1 | 2013-07-26 |
| Stein Rui | Vestfold, Norway | 1 | 1 | 1 | 2013-07-20 |
| Rune Voie | Vestland, Norway | 1 | 1 | 0 | 2011-07-22 |
| Anders Lundberg | Vestland, Norway | 1 | 1 | 0 | 2018-07-18 |
| Mårten Nilsson | Innlandet, Norway | 1 | 1 | 0 | 2009-07-10 |
| Kristin G. Gilje | Innlandet, Norway | 1 | 1 | 0 | 2020-06-27 |
| Olav Julsrud | Oslo, Norway | 1 | 1 | 1 | 2011-07-05 |
| Roger Oseid | Innlandet, Norway | 1 | 1 | 1 | 2010-07-29 |