Lycaenidae (Gossamer-winged butterflies)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Mastrevik | Vestland, Norway | 1 | 1 | 1 | 2014-08-09 | |
| Maurangernes | Vestland, Norway | 4 | 3 | 3 | 2015-05-03 | |
| Meheia | Buskerud, Norway | 2 | 2 | 3 | 2021-07-11 | |
| Mellom Ellenvatn og Dagvatnet | Finnmark, Norway | 1 | 1 | 0 | 1996-08-02 | |
| Melshei | Rogaland, Norway | 1 | 1 | 0 | 2015-05-10 | |
| Melsom | Vestfold, Norway | 2 | 2 | 0 | 2023-05-14 | |
| Melstokke | Rogaland, Norway | 2 | 1 | 0 | 2014-05-18 | |
| Memurubu | Trøndelag, Norway | 1 | 1 | 1 | 2004-07-28 | |
| Merdø | Agder, Norway | 1 | 1 | 0 | 2013-08-01 | |
| Mesætermyre Naturreservat | Innlandet, Norway | 1 | 1 | 1 | 2014-07-02 | |
| Midtkil | Trøndelag, Norway | 1 | 1 | 2 | 2013-06-21 | |
| Midtre Sunndal | Møre og Romsdal, Norway | 1 | 1 | 1 | 2007-06-03 | |
| Midtre Øldalen | Innlandet, Norway | 1 | 1 | 0 | 2010-06-11 | |
| Midtstuen | Oslo, Norway | 1 | 1 | 0 | 2018-08-19 | |
| Miland | Telemark, Norway | 1 | 1 | 2 | 2009-07-02 | |
| Mjølfjell Ungdomsherberge | Vestland, Norway | 4 | 2 | 3 | 2022-07-25 | |
| Mjåvatn | Rogaland, Norway | 1 | 1 | 0 | 2021-05-23 | |
| Mofjellet | Nordland, Norway | 1 | 1 | 0 | 2009-06-07 | |
| Mollandskjær | Agder, Norway | 4 | 2 | 1 | 2009-08-14 | |
| Moltedal | Rogaland, Norway | 2 | 2 | 0 | 2010-05-22 | |
| Morland | Vestland, Norway | 23 | 3 | 5 | 2014-05-11 | |
| Morlandsvatnet | Vestland, Norway | 1 | 1 | 1 | 2009-05-31 | |
| Mosterhamn v. Moster gruvesenter | Vestland, Norway | 3 | 2 | 1 | 2009-06-06 | |
| Mostranda | Vestfold, Norway | 2 | 2 | 0 | 1995-06-23 | |
| Moutmarka | Vestfold, Norway | 1 | 1 | 0 | 2013-07-29 | |
| Munkebotn | Vestland, Norway | 3 | 2 | 3 | 2010-05-15 | |
| Myra, Barman | Trøndelag, Norway | 2 | 2 | 0 | 2019-05-19 | |
| Myrkdalsdeltaet | Vestland, Norway | 2 | 2 | 2 | 2010-07-14 | |
| Myrland | Nordland, Norway | 2 | 2 | 4 | 2010-07-31 | |
| Myrset | Trøndelag, Norway | 1 | 1 | 0 | 2008-07-12 | |
| Myssa | Rogaland, Norway | 3 | 3 | 0 | 2009-05-31 | |
| Mæhlen | Vestland, Norway | 7 | 4 | 4 | 2015-06-20 | |
| Mærdø | Agder, Norway | 1 | 1 | 1 | 2007-07-31 | |
| Mølen | Vestfold, Norway | 9 | 5 | 0 | 2017-07-22 | |
| Mølen | Vestfold, Norway | 4 | 4 | 5 | 2006-07-15 | |
| Mølen | Vestfold, Norway | 1 | 1 | 0 | 2019-07-12 | |
| Mølen | Vestfold, Norway | 10 | 5 | 0 | 2015-08-15 | |
| Mølen, Odden | Vestfold, Norway | 26 | 6 | 13 | 2023-08-18 | |
| Mørkved | Nordland, Norway | 2 | 2 | 3 | 2007-06-16 | |
| Måbødalen | Vestland, Norway | 2 | 2 | 3 | 2007-06-16 | |
| Målselv | Troms, Norway | 1 | 1 | 0 | 2015-07-12 | |
| Målselv | Troms, Norway | 3 | 3 | 0 | 2015-07-13 | |
| Napperøtjerna Naturreservat | Vestfold, Norway | 2 | 1 | 2 | 2011-05-30 | |
| Nedre Aurlandsdalen | Vestland, Norway | 2 | 2 | 3 | 2010-06-15 | |
| Nedre Tveit | Vestland, Norway | 1 | 1 | 1 | 2021-05-27 | |
| Nedre Øldalen | Innlandet, Norway | 1 | 1 | 0 | 2011-06-02 | |
| Nedstrand | Rogaland, Norway | 1 | 1 | 0 | 1982-06-26 | |
| Neiden | Finnmark, Norway | 1 | 1 | 1 | 2008-07-20 | |
| Nes | Vestland, Norway | 7 | 4 | 3 | 2011-06-25 | |
| Nes | Rogaland, Norway | 1 | 1 | 0 | 2008-05-09 | |