Gerridae
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Nisterud tjern | Telemark, Norway | 1 | 1 | 0 | 2005-09-13 | |
| Nitelva ved Smedstusvingen | Akershus, Norway | 7 | 2 | 0 | 2014-06-11 | |
| Nord i Skoklefaldtjernet | Akershus, Norway | 1 | 1 | 1 | 2013-09-20 | |
| Nordre Øyeren og Sørumsneset naturreserv | Akershus, Norway | 4 | 1 | 0 | 2001-05-15 | |
| Nydammen | Trøndelag, Norway | 11 | 1 | 0 | 2015-09-18 | |
| Nøklevatnet | Innlandet, Norway | 3 | 2 | 0 | 1992-09-02 | |
| Odderøya | Agder, Norway | 3 | 1 | 0 | 2007-08-31 | |
| Oftenesbekken | Agder, Norway | 5 | 1 | 0 | 2002-08-30 | |
| Opsangervatnet | Vestland, Norway | 3 | 2 | 0 | 1993-06-09 | |
| Ormputten | Akershus, Norway | 1 | 1 | 1 | 2023-05-22 | |
| Orrtuvatnet | Vestland, Norway | 1 | 1 | 0 | 2016-04-21 | |
| Ortunvannet | Vestland, Norway | 2 | 1 | 0 | 2016-04-21 | |
| Parken ved kirka på Melbu | Nordland, Norway | 2 | 1 | 0 | 2013-09-30 | |
| Persholet | Trøndelag, Norway | 1 | 1 | 0 | 2013-08-28 | |
| Pytt ved Strand gård | Trøndelag, Norway | 1 | 1 | 0 | 2004-09-14 | |
| Pytt ved Strand gård | Trøndelag, Norway | 1 | 1 | 0 | 2004-08-14 | |
| Rakkestad, i prestegårdsfeltet | Østfold, Norway | 5 | 1 | 0 | 2022-04-21 | |
| Raudsjøen | Trøndelag, Norway | 3 | 1 | 0 | 1994-09-19 | |
| Reinsvolldammen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Rosenlund/Slakteri/Blodbekken | Innlandet, Norway | 1 | 1 | 0 | 2005-09-26 | |
| Rossevatn | Rogaland, Norway | 13 | 3 | 0 | 1993-09-20 | |
| Rundvannet | Troms, Norway | 2 | 2 | 0 | 1992-06-22 | |
| Røldalstjørnet | Vestland, Norway | 6 | 2 | 0 | 1993-06-08 | |
| Rørvatnet | Møre og Romsdal, Norway | 8 | 3 | 0 | 1995-05-14 | |
| Røyvannet | Telemark, Norway | 2 | 2 | 0 | 1993-09-10 | |
| Råtjørna | Vestland, Norway | 1 | 1 | 0 | 2008-06-17 | |
| Sagtjernet | Innlandet, Norway | 10 | 2 | 0 | 1994-10-04 | |
| Salamanderdammen v/ Kildalen gård, Tveit | Agder, Norway | 1 | 1 | 0 | 2014-04-29 | |
| Seljebøvatnet | Møre og Romsdal, Norway | 7 | 2 | 0 | 1998-03-10 | |
| Semsvannet | Akershus, Norway | 1 | 1 | 0 | 1993-05-26 | |
| Sillongen | Innlandet, Norway | 2 | 1 | 0 | 1990-09-19 | |
| Skarvatnet | Møre og Romsdal, Norway | 4 | 2 | 0 | 1995-09-07 | |
| Skithegga | Akershus, Norway | 3 | 1 | 0 | 2014-10-13 | |
| Skoklefalltjernet | Akershus, Norway | 1 | 1 | 0 | 2013-09-25 | |
| Skomakerdiket | Vestland, Norway | 5 | 1 | 0 | 2015-11-10 | |
| Skomakerdiket | Vestland, Norway | 5 | 2 | 0 | 2012-09-12 | |
| Skranevatnet | Vestland, Norway | 15 | 3 | 0 | 2013-05-30 | |
| Skulbruvatn | Nordland, Norway | 1 | 1 | 0 | 1997-09-12 | |
| Slettebøvannet | Rogaland, Norway | 2 | 1 | 0 | 2007-09-07 | |
| Smertudammen | Østfold, Norway | 4 | 1 | 1 | 2017-08-29 | |
| Smertudammen Kråkerøy | Østfold, Norway | 2 | 1 | 1 | 2017-08-29 | |
| Snartlandstjønna | Telemark, Norway | 1 | 1 | 0 | 2005-08-31 | |
| Sognsvann | Oslo, Norway | 1 | 1 | 0 | 2005-05-23 | |
| Solheimsvannet | Vestland, Norway | 1 | 1 | 0 | 2015-09-07 | |
| Spildervatnet | Nordland, Norway | 2 | 2 | 0 | 1993-06-10 | |
| St. Olavskilden | Akershus, Norway | 1 | 1 | 0 | 2002-04-19 | |
| Stavsjø | Innlandet, Norway | 1 | 1 | 0 | 1990-05-28 | |
| Stensrudtjern | Oslo, Norway | 2 | 2 | 0 | 1989-09-21 | |
| Stidam Øst | Trøndelag, Norway | 1 | 1 | 0 | 2014-05-19 | |
| Stidam-Vest | Trøndelag, Norway | 2 | 1 | 0 | 2014-09-04 |