| Hydroporus erythrocephalus | | 1989-08-22 | 1989-08-22 | Abbortjernet (Innlandet, Norway) |  |
| Hydroporus erythrocephalus | | 1992-09-07 | 1992-09-07 | Lianvatnet (Trøndelag, Norway) | |
| Hydroporus erythrocephalus | | 1992-09-11 | 1992-09-11 | Vikerauntjønna (Trøndelag, Norway) | |
| Hydroporus erythrocephalus | | 1990-09-28 | 1990-09-28 | Vikerauntjønna (Trøndelag, Norway) | |
| Hydroporus erythrocephalus | | 1991-06-12 | 1991-06-12 | Maltjern (Akershus, Norway) | |
| Hydroporus erythrocephalus | | 1992-06-05 | 1992-06-05 | Skarvatnet (Møre og Romsdal, Norway) | |
| Hydroporus erythrocephalus | | 1990-09-28 | 1990-09-28 | Longvatnet (Rogaland, Norway) | |
| Hydroporus erythrocephalus | | 1989-09-13 | 1989-09-13 | Gullerudtjern (Buskerud, Norway) | |
| Hydroporus erythrocephalus | | 1992-09-18 | 1992-09-18 | Husavatnet (Vestland, Norway) | |
| Hydroporus erythrocephalus | | 1992-06-01 | 1992-06-01 | Husavatnet (Vestland, Norway) | |
| Hydroporus erythrocephalus | | 1989-09-28 | 1989-09-28 | Husavatnet (Vestland, Norway) | |
| Hydroporus erythrocephalus | | 1990-10-23 | 1990-10-23 | Krussætertjern (Østfold, Norway) | |
| Hydroporus erythrocephalus | | 1989-09-15 | 1989-09-15 | Krussætertjern (Østfold, Norway) | |
| Hydroporus erythrocephalus | | 1991-10-23 | 1991-10-23 | Hjørungdalsvatnet (Møre og Romsdal, Norway) | |