Rhopalocera (Butterflies)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Øverdal | Nordland, Norway | 1 | 1 | 0 | 2009-05-18 | |
| Øvrabø | Rogaland, Norway | 4 | 4 | 0 | 2007-05-01 | |
| Øvre Brenn | Innlandet, Norway | 2 | 1 | 0 | 2024-04-01 | |
| Øvre Eidfjord | Vestland, Norway | 5 | 5 | 0 | 2007-05-02 | |
| Øvre Eidfjord | Vestland, Norway | 1 | 1 | 0 | 2007-04-24 | |
| Øvre Eidfjord | Vestland, Norway | 35 | 15 | 31 | 2010-05-28 | |
| Øvre Eri | Vestland, Norway | 4 | 4 | 1 | 2009-07-18 | |
| Øvre Godvik | Vestland, Norway | 1 | 1 | 0 | 2018-04-22 | |
| Øvre Helleland | Vestland, Norway | 5 | 5 | 1 | 2012-05-20 | |
| øvre Jøranby | Innlandet, Norway | 1 | 1 | 0 | 2011-04-03 | |
| Øvre Leirfoss | Trøndelag, Norway | 1 | 1 | 0 | 2010-07-15 | |
| Øvre Leirungen | Innlandet, Norway | 8 | 6 | 3 | 2017-08-13 | |
| Øvre Mjelde | Vestland, Norway | 4 | 4 | 7 | 2009-09-13 | |
| Øvre Mjølsnes | Rogaland, Norway | 2 | 2 | 1 | 2009-05-30 | |
| Øvresetertjern | Oslo, Norway | 2 | 2 | 0 | 2018-08-05 | |
| Øya/stadioen | Trøndelag, Norway | 2 | 1 | 0 | 2009-08-21 | |
| Øyakleiva | Innlandet, Norway | 1 | 1 | 0 | 2017-07-21 | |
| Øyamelen | Trøndelag, Norway | 1 | 1 | 0 | 2011-06-26 | |
| Øyardalen | Rogaland, Norway | 3 | 3 | 0 | 2011-04-21 | |
| Øydal | Trøndelag, Norway | 7 | 7 | 0 | 2012-06-23 | |
| Øydingen | Trøndelag, Norway | 5 | 5 | 1 | 2008-07-20 | |
| Øynefjorden | Vestland, Norway | 1 | 1 | 1 | 2010-07-04 | |
| Øytangen, Jomfruland | Telemark, Norway | 11 | 9 | 0 | 2014-07-16 | |
| Åbogsmoen | Innlandet, Norway | 2 | 2 | 2 | 2016-06-03 | |
| Ådalen | Møre og Romsdal, Norway | 3 | 3 | 3 | 2019-07-09 | |
| Ådalsvollen | Trøndelag, Norway | 1 | 1 | 0 | 2007-04-15 | |
| Ådland | Vestland, Norway | 1 | 1 | 0 | 2011-04-08 | |
| Åfarnes | Møre og Romsdal, Norway | 1 | 1 | 0 | 2010-08-04 | |
| Ågotnes | Vestland, Norway | 1 | 1 | 1 | 2008-04-20 | |
| Åkra | Rogaland, Norway | 1 | 1 | 1 | 2019-06-18 | |
| Åkrasand | Rogaland, Norway | 2 | 2 | 0 | 2015-06-30 | |
| Åkresanden | Rogaland, Norway | 1 | 1 | 0 | 2010-06-06 | |
| Åmli sentrum | Agder, Norway | 3 | 3 | 0 | 2010-06-29 | |
| Åmodt - Kikut | Oslo, Norway | 3 | 3 | 2 | 2011-07-09 | |
| Åmodtdammen | Akershus, Norway | 1 | 1 | 1 | 2008-04-23 | |
| Åmotsdal | Telemark, Norway | 1 | 1 | 0 | 2007-07-12 | |
| Årabrot | Rogaland, Norway | 1 | 1 | 0 | 2022-08-15 | |
| Årdalen | Rogaland, Norway | 4 | 4 | 0 | 2016-06-10 | |
| Århuskleiva | Agder, Norway | 1 | 1 | 1 | 2008-04-10 | |
| Årnes | Agder, Norway | 1 | 1 | 0 | 2019-07-04 | |
| Årnestangen | Akershus, Norway | 10 | 8 | 5 | 2014-06-24 | |
| Årnestangen | Akershus, Norway | 6 | 6 | 5 | 2006-08-04 | |
| Årnestangen | Akershus, Norway | 8 | 8 | 5 | 2008-08-12 | |
| Årstad | Rogaland, Norway | 1 | 1 | 0 | 2016-04-09 | |
| Årud | Buskerud, Norway | 5 | 4 | 0 | 2017-03-28 | |
| Årvik | Rogaland, Norway | 1 | 1 | 0 | 2007-03-28 | |
| Årvikenes | Vestland, Norway | 186 | 17 | 153 | 2024-03-10 | |
| Åsane | Rogaland, Norway | 16 | 10 | 0 | 2016-03-15 | |
| Åsane | Vestfold, Norway | 3 | 3 | 2 | 2011-07-30 | |
| Åsane | Rogaland, Norway | 34 | 16 | 16 | 2010-07-21 | |