Pieris
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Øvre Mjølsnes | Rogaland, Norway | 1 | 1 | 0 | 2009-05-30 | |
| Øya/stadioen | Trøndelag, Norway | 2 | 1 | 0 | 2009-08-21 | |
| Øyardalen | Rogaland, Norway | 1 | 1 | 0 | 2011-04-21 | |
| Øytangen, Jomfruland | Telemark, Norway | 3 | 2 | 0 | 2014-07-16 | |
| Ådalen | Møre og Romsdal, Norway | 1 | 1 | 1 | 2019-07-09 | |
| Åkrasand | Rogaland, Norway | 1 | 1 | 0 | 2015-06-30 | |
| Åkresanden | Rogaland, Norway | 1 | 1 | 0 | 2010-06-06 | |
| Åmli sentrum | Agder, Norway | 1 | 1 | 0 | 2010-06-29 | |
| Årnestangen | Akershus, Norway | 3 | 3 | 1 | 2008-08-12 | |
| Årnestangen | Akershus, Norway | 2 | 1 | 2 | 2014-06-24 | |
| Årvikenes | Vestland, Norway | 10 | 3 | 5 | 2022-08-22 | |
| Åsane | Rogaland, Norway | 4 | 1 | 1 | 2010-07-21 | |
| Åsavatnet | Vestland, Norway | 1 | 1 | 0 | 2011-06-05 | |
| Åsedalen | Rogaland, Norway | 4 | 1 | 0 | 2015-07-01 | |
| Åsen | Telemark, Norway | 1 | 1 | 0 | 2022-06-01 | |
| Åseveien | Rogaland, Norway | 1 | 1 | 0 | 2012-05-01 | |
| Åttringaveien | Vestland, Norway | 1 | 1 | 0 | 2006-05-09 | |