Rhopalocera (Butterflies)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Tylldalen | Innlandet, Norway | 3 | 1 | 0 | 2009-04-13 | |
| Tylldalen | Innlandet, Norway | 15 | 2 | 0 | 2024-04-10 | |
| Tyrihjellåsen 33, Solbergfoss | Østfold, Norway | 1 | 1 | 0 | 2013-07-25 | |
| Tyssdalsfjellet | Vestland, Norway | 1 | 1 | 0 | 2020-04-10 | |
| Tystenodden | Trøndelag, Norway | 3 | 3 | 0 | 2010-07-04 | |
| Tønsberg | Vestfold, Norway | 1 | 1 | 1 | 2016-08-02 | |
| Tønsberg Tønne | Vestfold, Norway | 3 | 3 | 5 | 2019-08-07 | |
| Tønsnes | Troms, Norway | 1 | 1 | 0 | 2012-04-30 | |
| Tørvikbygd | Vestland, Norway | 3 | 3 | 0 | 2017-05-22 | |
| Tøso, Vangsmjøse | Innlandet, Norway | 1 | 1 | 1 | 2010-08-08 | |
| Tøyen | Oslo, Norway | 3 | 3 | 3 | 2011-06-26 | |
| Tøyen | Oslo, Norway | 10 | 7 | 0 | 2018-07-28 | |
| Tårnbrygga, Jomfruland | Telemark, Norway | 14 | 9 | 0 | 2013-07-09 | |
| Uburhedleren | Rogaland, Norway | 1 | 1 | 0 | 2020-04-05 | |
| Ulefoss | Telemark, Norway | 7 | 7 | 10 | 2012-07-17 | |
| Ullernchausseen 70 | Oslo, Norway | 1 | 1 | 0 | 2021-07-15 | |
| Ullerudåsen | Akershus, Norway | 3 | 2 | 0 | 2012-03-12 | |
| Ullevål | Oslo, Norway | 60 | 16 | 6 | 2022-06-06 | |
| Ulriken | Vestland, Norway | 1 | 1 | 1 | 2019-08-02 | |
| Ulriken | Vestland, Norway | 1 | 1 | 0 | 1993-06-12 | |
| Ulsteinvik | Møre og Romsdal, Norway | 2 | 2 | 0 | 2019-07-09 | |
| Ulven | Oslo, Norway | 3 | 3 | 0 | 2020-05-03 | |
| Ulvenvatnet | Vestland, Norway | 3 | 3 | 0 | 2011-06-16 | |
| Ulvesetvatnet | Vestland, Norway | 1 | 1 | 0 | 2009-06-21 | |
| Upsete | Vestland, Norway | 1 | 1 | 0 | 2023-07-31 | |
| Urdal | Østfold, Norway | 4 | 2 | 0 | 2018-07-01 | |
| Urdbøglupen | Telemark, Norway | 3 | 3 | 1 | 2016-08-06 | |
| Urnes | Vestland, Norway | 6 | 4 | 1 | 2010-07-23 | |
| Urter | Rogaland, Norway | 1 | 1 | 0 | 2009-05-31 | |
| Ustaoset | Buskerud, Norway | 5 | 2 | 0 | 2015-06-01 | |
| Ustekveikja, Finse | Vestland, Norway | 2 | 1 | 0 | 2010-06-20 | |
| Uteng | Troms, Norway | 1 | 1 | 0 | 2010-04-03 | |
| Uteskole-plassen | Vestfold, Norway | 2 | 1 | 0 | 2010-04-16 | |
| Utleira (Anne Martha Kvams Vei) | Trøndelag, Norway | 1 | 1 | 0 | 2016-07-03 | |
| Utsikten 16,2390 Moelv | Innlandet, Norway | 1 | 1 | 0 | 2012-04-22 | |
| Utsira | Rogaland, Norway | 1 | 1 | 1 | 2006-10-04 | |
| Utsira | Rogaland, Norway | 18 | 11 | 3 | 2011-05-24 | |
| Utsira | Rogaland, Norway | 3 | 2 | 0 | 2015-09-26 | |
| Utsira | Rogaland, Norway | 2 | 2 | 0 | 2011-05-24 | |
| V. Songadammen | Telemark, Norway | 1 | 1 | 0 | 2015-09-10 | |
| Vadanesset 1 | Trøndelag, Norway | 7 | 1 | 0 | 2020-05-03 | |
| Vadheim | Vestland, Norway | 1 | 1 | 0 | 2010-09-03 | |
| Vadsø | Finnmark, Norway | 2 | 2 | 0 | 2017-07-25 | |
| Vagge | Finnmark, Norway | 1 | 1 | 1 | 2013-09-21 | |
| Vaksvik | Møre og Romsdal, Norway | 22 | 4 | 0 | 2024-04-21 | |
| Valdresflya | Innlandet, Norway | 1 | 1 | 0 | 2008-07-29 | |
| Valldalen | Vestland, Norway | 8 | 8 | 0 | 1985-07-15 | |
| Valle | Agder, Norway | 1 | 1 | 1 | 2021-07-30 | |
| Valle | Agder, Norway | 21 | 13 | 0 | 2014-07-03 | |
| Vallemyrene | Telemark, Norway | 1 | 1 | 1 | 2013-06-28 | |