Eriogaster arbusculae
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Svein Sellevold Bekkum | Nordland, Norway | 9 | 1 | 12 | 2021-05-15 |
| John Skartveit | Vestland, Norway | 8 | 1 | 3 | 2015-09-03 |
| Nils Rogn | Innlandet, Norway | 4 | 1 | 6 | 2019-05-26 |
| Frode Falkenberg | Vestland, Norway | 3 | 1 | 4 | 2021-07-06 |
| Dag O. Bollingmo | Trøndelag, Norway | 2 | 1 | 2 | 2017-08-13 |
| Trond Einar Brobakk | Trøndelag, Norway | 2 | 1 | 1 | 2011-08-30 |
| Even Mjaaland | Rogaland, Norway | 1 | 1 | 0 | 2017-07-20 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2008-07-15 |
| Olav Julsrud | Oslo, Norway | 1 | 1 | 0 | 2017-08-03 |
| Alf Tore Mjøs | Rogaland, Norway | 1 | 1 | 1 | 2005-07-17 |
| Ivar Stormo | Østfold, Norway | 1 | 1 | 0 | 2019-07-14 |