Rhopalocera (Butterflies)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Blikshavn | Rogaland, Norway | 9 | 5 | 1 | 2022-08-27 | |
| Blindern | Oslo, Norway | 11 | 6 | 0 | 2018-07-17 | |
| Blindheim | Vestland, Norway | 117 | 8 | 0 | 2023-08-31 | |
| Blindheimsdalen | Vestland, Norway | 10 | 4 | 7 | 2013-08-14 | |
| Blombakkane, Straume | Vestland, Norway | 2 | 2 | 2 | 2009-05-14 | |
| Blussuvoll (Tyholt/Berg) | Trøndelag, Norway | 14 | 5 | 0 | 2024-04-08 | |
| Bodin 4H-gård | Nordland, Norway | 1 | 1 | 0 | 2010-04-26 | |
| Bondemarken | Vestland, Norway | 1 | 1 | 0 | 2014-06-23 | |
| Borgemarka 75 | Telemark, Norway | 1 | 1 | 0 | 2007-04-03 | |
| Borgen barneskole | Østfold, Norway | 2 | 1 | 0 | 2024-04-19 | |
| borghild sundan. sandhalan.7970 kolverei | Trøndelag, Norway | 1 | 1 | 0 | 2014-08-24 | |
| Borgund | Møre og Romsdal, Norway | 1 | 1 | 1 | 2019-06-10 | |
| Borgundnuten/Fjelberg | Vestland, Norway | 3 | 2 | 0 | 2007-04-23 | |
| Borgøy | Rogaland, Norway | 1 | 1 | 1 | 2015-06-21 | |
| Borhaug | Agder, Norway | 35 | 10 | 17 | 2014-06-09 | |
| Borhaug | Agder, Norway | 14 | 7 | 13 | 2016-06-13 | |
| Borkenes | Troms, Norway | 6 | 1 | 0 | 2022-03-20 | |
| Borlaug | Vestland, Norway | 2 | 2 | 2 | 2014-09-07 | |
| Borre | Vestfold, Norway | 1 | 1 | 1 | 2023-09-05 | |
| Borøya | Agder, Norway | 2 | 2 | 2 | 2023-05-24 | |
| Borøya | Akershus, Norway | 8 | 8 | 1 | 2011-05-07 | |
| Botanisk hage, Tøyen | Oslo, Norway | 2 | 2 | 2 | 2006-09-29 | |
| Botn | Vestland, Norway | 8 | 8 | 0 | 2016-06-04 | |
| Bragernesåsen | Buskerud, Norway | 1 | 1 | 1 | 2020-07-08 | |
| Brandeli | Agder, Norway | 3 | 2 | 2 | 2002-04-27 | |
| Bratsbergkleiva skole | Telemark, Norway | 7 | 2 | 0 | 2020-04-02 | |
| Bratsbergveien | Trøndelag, Norway | 2 | 2 | 0 | 2009-05-17 | |
| Brattekleiv, Tromøy | Agder, Norway | 2 | 2 | 2 | 2020-07-02 | |
| Bratterud | Buskerud, Norway | 6 | 6 | 2 | 2019-07-08 | |
| Brattåsen | Akershus, Norway | 2 | 2 | 3 | 2016-06-25 | |
| Bredmosen | Østfold, Norway | 28 | 24 | 5 | 2017-06-15 | |
| Bredmosen | Østfold, Norway | 131 | 37 | 51 | 2019-08-02 | |
| Breidablikkveien | Trøndelag, Norway | 1 | 1 | 0 | 2009-06-22 | |
| Breie | Buskerud, Norway | 1 | 1 | 0 | 2015-06-26 | |
| Breilisikten 19 B | Møre og Romsdal, Norway | 2 | 2 | 0 | 2013-06-16 | |
| Breivann | Vestfold, Norway | 11 | 9 | 8 | 2018-07-23 | |
| Brembu 87/4 | Trøndelag, Norway | 1 | 1 | 0 | 2009-08-25 | |
| Brennhaugen | Innlandet, Norway | 1 | 1 | 0 | 2013-04-28 | |
| Brennmyra | Trøndelag, Norway | 51 | 10 | 1 | 2013-06-19 | |
| Bringebærveien | Trøndelag, Norway | 1 | 1 | 1 | 2003-07-14 | |
| Bringsvågen | Rogaland, Norway | 1 | 1 | 0 | 2015-05-25 | |
| Briskemyr | Buskerud, Norway | 7 | 7 | 4 | 2010-08-07 | |
| Brotaneset | Vestland, Norway | 1 | 1 | 0 | 2013-05-25 | |
| Bruasetra | Møre og Romsdal, Norway | 1 | 1 | 0 | 2011-04-28 | |
| Brumunddal | Innlandet, Norway | 1 | 1 | 0 | 1983-07-14 | |
| Brumunddal | Innlandet, Norway | 8 | 7 | 8 | 2014-06-08 | |
| Brumåsavegen | Akershus, Norway | 646 | 44 | 334 | 2023-07-26 | |
| Brundalen videregående skole | Trøndelag, Norway | 1 | 1 | 0 | 2009-05-17 | |
| Brusand | Rogaland, Norway | 27 | 10 | 0 | 2012-07-06 | |
| Brusand | Rogaland, Norway | 1 | 1 | 1 | 2013-07-01 | |