Ilybius quadriguttatus
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Hjørungdalsvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1991-10-23 | |
| Kolbjørnviksjøen | Østfold, Norway | 1 | 1 | 0 | 1990-08-29 | |
| Krussætertjern | Østfold, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Maltjern | Akershus, Norway | 1 | 1 | 0 | 1992-06-23 |