Hirudo medicinalis
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Apeltunvatnet | Vestland, Norway | 1 | 1 | 0 | 2008-06-12 | |
| ellingsøy | Møre og Romsdal, Norway | 1 | 1 | 0 | 2011-06-08 | |
| Estenstadmarka | Trøndelag, Norway | 3 | 1 | 0 | 2013-06-07 | |
| Glitredammen | Akershus, Norway | 1 | 1 | 0 | 2004-09-03 | |
| Igeltjønna | Trøndelag, Norway | 1 | 1 | 0 | 2009-09-08 | |
| Jaren skole | Innlandet, Norway | 1 | 1 | 0 | 2013-09-27 | |
| Kristianborgvannet | Vestland, Norway | 2 | 1 | 1 | 2015-05-29 | |
| Liavannet | Vestland, Norway | 1 | 1 | 0 | 2020-06-12 | |
| Lommedalselva 1 | Akershus, Norway | 1 | 1 | 0 | 2008-10-22 | |
| Skirstadtjernet | Innlandet, Norway | 1 | 1 | 0 | 2012-09-26 |