| Hyphydrus ovatus | | 1989-09-22 | 1989-09-22 | Fløyta (Akershus, Norway) |  |
| Hyphydrus ovatus | | 1992-09-11 | 1992-09-11 | Vikerauntjønna (Trøndelag, Norway) | |
| Hyphydrus ovatus | | 1990-09-28 | 1990-09-28 | Vikerauntjønna (Trøndelag, Norway) | |
| Hyphydrus ovatus | | 1989-09-27 | 1989-09-27 | Vikerauntjønna (Trøndelag, Norway) | |
| Hyphydrus ovatus | | 1992-06-23 | 1992-06-23 | Maltjern (Akershus, Norway) | |
| Hyphydrus ovatus | | 1991-06-12 | 1991-06-12 | Maltjern (Akershus, Norway) | |
| Hyphydrus ovatus | | 1992-10-14 | 1992-10-14 | Kverndammen (Telemark, Norway) | |
| Hyphydrus ovatus | | 1991-08-30 | 1991-08-30 | Kverndammen (Telemark, Norway) | |
| Hyphydrus ovatus | | 1991-06-10 | 1991-06-10 | Kverndammen (Telemark, Norway) | |
| Hyphydrus ovatus | | 1990-08-30 | 1990-08-30 | Kverndammen (Telemark, Norway) | |
| Hyphydrus ovatus | | 1997-09-12 | 1997-09-12 | Årungen (Akershus, Norway) | |
| Hyphydrus ovatus | | 1992-09-20 | 1992-09-20 | Årungen (Akershus, Norway) | |
| Hyphydrus ovatus | | 1991-09-16 | 1991-09-16 | Årungen (Akershus, Norway) | |
| Hyphydrus ovatus | | 1990-09-17 | 1990-09-17 | Årungen (Akershus, Norway) | |
| Hyphydrus ovatus | | 1997-09-09 | 1997-09-09 | Korssjøen (Vestfold, Norway) | |
| Hyphydrus ovatus | | 1989-09-06 | 1989-09-06 | Korssjøen (Vestfold, Norway) | |
| Hyphydrus ovatus | | 1990-10-23 | 1990-10-23 | Krussætertjern (Østfold, Norway) | |
| Hyphydrus ovatus | | 1991-10-23 | 1991-10-23 | Hjørungdalsvatnet (Møre og Romsdal, Norway) | |