Corixidae
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Storsteinen, Jurdalen, Napp | Nordland, Norway | 1 | 1 | 0 | 2013-09-27 | |
| Stortjønna Andås | Nordland, Norway | 1 | 1 | 0 | 2013-09-12 | |
| Stølevannet | Vestland, Norway | 2 | 2 | 0 | 1995-10-18 | |
| Svanevatnet | Rogaland, Norway | 7 | 5 | 0 | 1993-05-26 | |
| Svartaholtjørnet | Vestland, Norway | 2 | 2 | 0 | 1996-09-17 | |
| Svartvatnet Tortenlia | Nordland, Norway | 1 | 1 | 1 | 2015-09-24 | |
| Svullrya, Rotna | Innlandet, Norway | 1 | 1 | 1 | 2022-08-25 | |
| Sætertjern | Akershus, Norway | 12 | 10 | 0 | 1996-10-24 | |
| Søndre Aas gård, Holmlia | Oslo, Norway | 1 | 1 | 0 | 2013-06-17 | |
| Testområde | Vestland, Norway | 2 | 2 | 0 | 1994-09-28 | |
| Tjennane | Telemark, Norway | 1 | 1 | 0 | 1994-05-11 | |
| Tjern ved Herlandsvatnet | Vestland, Norway | 1 | 1 | 0 | 2013-09-13 | |
| Tjødnet ved ungdomsskulen | Vestland, Norway | 1 | 1 | 0 | 2006-06-09 | |
| Tjønnmoen | Innlandet, Norway | 1 | 1 | 0 | 2013-09-23 | |
| Tjørnadalstjørni (Vaksdal, Bergsdalen) | Vestland, Norway | 7 | 1 | 2 | 2012-09-18 | |
| Todalen | Buskerud, Norway | 2 | 1 | 0 | 2013-09-03 | |
| Tornesvatnet | Rogaland, Norway | 27 | 5 | 0 | 1994-09-08 | |
| Tovegstjørn, Bolstadhaugen | Vestland, Norway | 2 | 1 | 1 | 2015-11-15 | |
| Tranevatnet | Vestland, Norway | 3 | 1 | 0 | 2007-05-29 | |
| Tretjønnet | Agder, Norway | 3 | 3 | 0 | 1990-06-26 | |
| Tussvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Tveitavatnet | Vestland, Norway | 10 | 5 | 0 | 1994-06-08 | |
| Tveitevannet | Vestland, Norway | 20 | 7 | 0 | 2010-10-07 | |
| Tveitevannet | Vestland, Norway | 3 | 1 | 0 | 2008-09-04 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 2016-06-01 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 1 | 2016-06-01 | |
| Tømmervatnet | Troms, Norway | 2 | 2 | 0 | 1993-09-17 | |
| Varavannet | Vestland, Norway | 1 | 1 | 0 | 2013-09-03 | |
| Vasslivatnet | Rogaland, Norway | 6 | 5 | 0 | 1992-06-04 | |
| Vetletjørn | Vestland, Norway | 1 | 1 | 0 | 2018-09-10 | |
| Vikerauntjønna | Trøndelag, Norway | 12 | 7 | 0 | 1994-09-20 | |
| Vollsvannet | Trøndelag, Norway | 1 | 1 | 0 | 2014-05-19 | |
| Vollsvatnet | Trøndelag, Norway | 3 | 1 | 0 | 2014-09-04 | |
| Vålåsjøen | Innlandet, Norway | 5 | 4 | 0 | 1990-09-07 | |
| Ærdalsbassenget | Agder, Norway | 2 | 1 | 0 | 2013-09-16 | |
| Øksnevadtjørna | Rogaland, Norway | 5 | 4 | 0 | 1993-05-28 | |
| Østernvannet | Akershus, Norway | 1 | 1 | 0 | 1990-08-28 | |
| Øvre Mjølsnes | Rogaland, Norway | 1 | 1 | 0 | 2009-05-30 | |
| Øvre Storfjordvatnet | Nordland, Norway | 3 | 1 | 0 | 1990-05-29 | |
| Øvre Vassivarvatn | Vestland, Norway | 1 | 1 | 0 | 2006-08-23 | |
| Øygårdsvannet | Agder, Norway | 1 | 1 | 0 | 2015-06-20 | |
| Øymarksjøen | Østfold, Norway | 2 | 2 | 0 | 1997-05-29 | |
| Ålvatnet | Trøndelag, Norway | 7 | 1 | 0 | 2013-09-04 | |
| Årnestangen | Akershus, Norway | 1 | 1 | 0 | 2003-06-06 | |
| Åros | Akershus, Norway | 1 | 1 | 0 | 2013-09-19 | |
| Årungen | Akershus, Norway | 19 | 4 | 0 | 1997-09-12 | |
| Åstveitvannet | Vestland, Norway | 1 | 1 | 0 | 2007-06-06 | |
| Åstveitvannet | Vestland, Norway | 4 | 3 | 0 | 1990-09-18 |