Hypochalcia ahenella (Dingy Knot-horn)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Svein Sellevold Bekkum | Nordland, Norway | 40 | 1 | 3 | 2013-07-02 |
| Geirr O Pedersen | Akershus, Norway | 28 | 1 | 1 | 2011-07-19 |
| John Stenersen | Nordland, Norway | 11 | 1 | 6 | 2023-06-08 |
| Nils Rogn | Innlandet, Norway | 7 | 1 | 5 | 2016-06-14 |
| Even Mjaaland | Rogaland, Norway | 5 | 1 | 3 | 2017-07-19 |
| Kjell Mjølsnes | Rogaland, Norway | 4 | 1 | 0 | 2017-07-22 |
| Frode Falkenberg | Vestland, Norway | 3 | 1 | 2 | 2015-07-12 |
| John Skartveit | Vestland, Norway | 2 | 1 | 0 | 2022-08-20 |
| Eivind Nielsen | Rogaland, Norway | 1 | 1 | 0 | 2011-06-26 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2011-07-02 |
| Olav Krogsæter | Vestland, Norway | 1 | 1 | 1 | 2010-07-19 |