Hirudo medicinalis
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Blussuvoll skole | Trøndelag, Norway | 3 | 1 | 0 | 2013-06-07 |
| Bergen Kristne grunnskole | Vestland, Norway | 2 | 1 | 1 | 2015-05-29 |
| Grymyr skole | Innlandet, Norway | 1 | 1 | 0 | 2012-09-26 |
| Jaren skole | Innlandet, Norway | 1 | 1 | 0 | 2013-09-27 |
| Rindal skole | Trøndelag, Norway | 1 | 1 | 0 | 2009-09-08 |
| Rå skole | Vestland, Norway | 1 | 1 | 0 | 2008-06-12 |
| Kyrkjekrinsen skole | Vestland, Norway | 1 | 1 | 0 | 2020-06-12 |
| Vøyenenga skole | Akershus, Norway | 1 | 1 | 0 | 2008-10-22 |
| roy allan thomassen | Møre og Romsdal, Norway | 1 | 1 | 0 | 2011-06-08 |
| Belset skole | Akershus, Norway | 1 | 1 | 0 | 2004-09-03 |