Notonectidae
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Røyvannet | Telemark, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Sagtjernet | Innlandet, Norway | 1 | 1 | 0 | 1990-06-25 | |
| Salamanderdammen v/ Kildalen gård, Tveit | Agder, Norway | 1 | 1 | 0 | 2014-04-29 | |
| Saxruddammen | Innlandet, Norway | 1 | 1 | 0 | 2002-08-26 | |
| Semsvannet | Akershus, Norway | 2 | 1 | 0 | 1994-05-18 | |
| Skithegga | Akershus, Norway | 5 | 1 | 0 | 2014-10-13 | |
| Skomakerdiket | Vestland, Norway | 1 | 1 | 0 | 2010-09-06 | |
| Skranevatnet | Vestland, Norway | 4 | 2 | 0 | 2013-05-30 | |
| Smertudammen | Østfold, Norway | 1 | 1 | 1 | 2017-08-28 | |
| Stavsjø | Innlandet, Norway | 8 | 2 | 0 | 1993-06-07 | |
| Stidam-Øst | Trøndelag, Norway | 2 | 1 | 0 | 2013-08-29 | |
| Stikletjern | Østfold, Norway | 1 | 1 | 0 | 1996-08-19 | |
| Stokkavatnet | Rogaland, Norway | 1 | 1 | 0 | 2007-10-03 | |
| Stokkdalstjønna | Trøndelag, Norway | 1 | 1 | 0 | 2015-06-08 | |
| Stokkedammen | Trøndelag, Norway | 3 | 1 | 0 | 2018-09-13 | |
| Stokkevannet | Telemark, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Stordammen | Akershus, Norway | 1 | 1 | 0 | 1989-09-27 | |
| Store Nesttunvann | Vestland, Norway | 4 | 2 | 0 | 2013-04-23 | |
| Stølevannet | Vestland, Norway | 1 | 1 | 0 | 1995-10-18 | |
| Sætertjern | Akershus, Norway | 2 | 1 | 0 | 1992-09-19 | |
| Søndre Aas gård, Holmlia | Oslo, Norway | 1 | 1 | 0 | 2013-06-17 | |
| Tjennane | Telemark, Norway | 1 | 1 | 0 | 1993-09-15 | |
| Tjødnet ved ungdomsskulen | Vestland, Norway | 1 | 1 | 0 | 2006-06-09 | |
| Todalen | Buskerud, Norway | 1 | 1 | 0 | 2013-09-03 | |
| Tornesvatnet | Rogaland, Norway | 3 | 2 | 0 | 1994-09-08 | |
| Tovegstjørn, Bolstadhaugen | Vestland, Norway | 1 | 1 | 1 | 2015-11-15 | |
| Tretjønnet | Agder, Norway | 1 | 1 | 0 | 1990-06-26 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 2008-09-04 | |
| Tveitevannet | Vestland, Norway | 11 | 2 | 0 | 2008-09-16 | |
| Ulfsbakktjønn | Vestfold, Norway | 3 | 1 | 0 | 1997-09-16 | |
| Varavannet | Vestland, Norway | 1 | 1 | 0 | 2013-09-03 | |
| Vikerauntjønna | Trøndelag, Norway | 1 | 1 | 0 | 1993-09-15 | |
| Vollsvatnet | Trøndelag, Norway | 3 | 1 | 0 | 2015-08-31 | |
| Ærdalsbassenget | Agder, Norway | 3 | 1 | 0 | 2016-06-16 | |
| Øksnevadtjørna | Rogaland, Norway | 1 | 1 | 0 | 1993-10-07 | |
| Øvre Mjølsnes | Rogaland, Norway | 1 | 1 | 1 | 2009-05-30 | |
| Øygårdsvannet | Agder, Norway | 1 | 1 | 0 | 2015-06-20 | |
| Ålesundsaksla | Møre og Romsdal, Norway | 1 | 1 | 0 | 1999-09-28 | |
| Åros | Akershus, Norway | 1 | 1 | 0 | 2013-09-19 | |
| Årstadtjødne | Rogaland, Norway | 4 | 2 | 0 | 1996-10-11 | |
| Årungen | Akershus, Norway | 8 | 1 | 0 | 1997-09-12 | |
| Åstveitvannet | Vestland, Norway | 3 | 1 | 0 | 1991-09-27 |