| Hirudo medicinalis | | 2020-06-12 | 2020-06-12 | | Liavannet (Vestland, Norway) |  |
| Hirudo medicinalis | | 2015-06-11 | 2015-05-29 | | Kristianborgvannet (Vestland, Norway) | |
| Hirudo medicinalis | | 2015-06-11 | 2015-05-29 |  | Kristianborgvannet (Vestland, Norway) | |
| Hirudo medicinalis | | 2013-10-09 | 2013-09-27 | | Jaren skole (Innlandet, Norway) | |
| Hirudo medicinalis | | 2013-06-09 | 2013-06-07 | | Estenstadmarka (Trøndelag, Norway) | |
| Hirudo medicinalis | | 2013-06-07 | 2013-06-07 | | Estenstadmarka (Trøndelag, Norway) | |
| Hirudo medicinalis | | 2013-06-07 | 2013-06-07 | | Estenstadmarka (Trøndelag, Norway) | |
| Hirudo medicinalis | | 2012-10-11 | 2012-09-26 | | Skirstadtjernet (Innlandet, Norway) | |
| Hirudo medicinalis | | 2011-06-08 | 2011-06-08 | | ellingsøy (Møre og Romsdal, Norway) | |
| Hirudo medicinalis | | 2009-09-24 | 2009-09-08 | | Igeltjønna (Trøndelag, Norway) | |
| Hirudo medicinalis | | 2008-10-22 | 2008-10-22 | | Lommedalselva 1 (Akershus, Norway) | |
| Hirudo medicinalis | | 2008-06-12 | 2008-06-12 | | Apeltunvatnet (Vestland, Norway) | |
| Hirudo medicinalis | | 2004-09-07 | 2004-09-03 | | Glitredammen (Akershus, Norway) | |