Genus: Ilybius
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Stavsjø | Innlandet, Norway | 2 | 1 | 0 | 1991-10-14 | |
| Stensrudtjern | Oslo, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Stokkevannet | Telemark, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Storavatnet | Vestland, Norway | 2 | 1 | 0 | 1991-10-20 | |
| Tornesvatnet | Rogaland, Norway | 2 | 2 | 0 | 1991-05-30 | |
| Tretjønnet | Agder, Norway | 1 | 1 | 0 | 1989-09-27 | |
| Tveitavatnet | Vestland, Norway | 2 | 1 | 0 | 1992-10-01 | |
| Vikerauntjønna | Trøndelag, Norway | 2 | 1 | 0 | 1992-09-11 | |
| Øksnevadtjørna | Rogaland, Norway | 1 | 1 | 0 | 1991-09-15 | |
| Øvre Storfjordvatnet | Nordland, Norway | 1 | 1 | 0 | 1990-08-30 | |
| Årungen | Akershus, Norway | 4 | 2 | 0 | 1997-09-12 | |
| Åstveitvannet | Vestland, Norway | 1 | 1 | 0 | 1990-09-18 | |
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