Phylum: Articulate animals (Arthropoda)
| Område | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. | |
|---|---|---|---|---|---|---|
| "Bommen" | Østfold, Norway | 59 | 12 | 0 | 1995-05-26 | |
| "Høyskolen" ved Årstadtjørn | Rogaland, Norway | 3 | 3 | 0 | 2015-09-21 | |
| "Lillevannet" | Finnmark, Norway | 3 | 3 | 0 | 2013-09-19 | |
| *Griggastemma | Vestland, Norway | 17 | 9 | 13 | 2015-09-01 | |
| 10-15 minutter fra våge | Vestland, Norway | 1 | 1 | 1 | 2015-07-29 | |
| 100 meter skogen | Vestland, Norway | 14 | 2 | 1 | 2017-05-09 | |
| 100 meter skogen | Vestland, Norway | 2 | 1 | 0 | 2017-05-19 | |
| 100 meter skogen | Vestland, Norway | 1 | 1 | 0 | 2017-05-12 | |
| 4H-skogen (Hodnafjell) | Rogaland, Norway | 1 | 1 | 1 | 2020-09-07 | |
| A headland | Nordland, Norway | 1 | 1 | 1 | 2016-07-15 | |
| aaserudveien 28 | Østfold, Norway | 1 | 1 | 0 | 2025-04-04 | |
| Abbedtjørna | Vestland, Norway | 6 | 4 | 2 | 2011-06-05 | |
| Abbortjern | Akershus, Norway | 17 | 7 | 14 | 2014-05-04 | |
| Abbortjern | Innlandet, Norway | 11 | 5 | 2 | 2018-05-28 | |
| Abbortjernet | Innlandet, Norway | 12 | 12 | 0 | 1989-08-22 | |
| Abelvær | Trøndelag, Norway | 1 | 1 | 0 | 2006-10-04 | |
| Adalsbekken/Sandeelva | Vestfold, Norway | 33 | 12 | 0 | 1997-06-05 | |
| Aeshna-hølet | Trøndelag, Norway | 4 | 4 | 0 | 2014-05-22 | |
| Agderkysten | Agder, Norway | 4 | 4 | 4 | 2013-03-20 | |
| Agderkysten | Agder, Norway | 4 | 4 | 4 | 2013-03-20 | |
| Agneskjær | Agder, Norway | 1 | 1 | 1 | 2007-05-31 | |
| Akerfeltet | Østfold, Norway | 1 | 1 | 0 | 2007-04-02 | |
| Akerselva | Oslo, Norway | 5 | 5 | 0 | 2008-08-22 | |
| Akershus festning | Oslo, Norway | 1 | 1 | 2 | 2015-08-29 | |
| Akersvannet | Vestfold, Norway | 78 | 43 | 0 | 1995-09-07 | |
| Akkarfjord | Finnmark, Norway | 3 | 2 | 0 | 2007-05-30 | |
| Akland | Agder, Norway | 1 | 1 | 0 | 2022-04-03 | |
| Aksdal | Rogaland, Norway | 1 | 1 | 0 | 2015-10-09 | |
| Aksdal | Rogaland, Norway | 1 | 1 | 0 | 2021-05-30 | |
| Akslabasseng 2 | Møre og Romsdal, Norway | 2 | 2 | 0 | 1998-09-14 | |
| Akvariet | Vestland, Norway | 1 | 1 | 0 | 2010-05-14 | |
| Akvastasjonen | Vestland, Norway | 9 | 4 | 0 | 2001-11-26 | |
| Alasteinadn | Innlandet, Norway | 6 | 6 | 1 | 2022-07-29 | |
| Aldra | Nordland, Norway | 1 | 1 | 0 | 2016-04-27 | |
| Almåa | Trøndelag, Norway | 11 | 6 | 0 | 1996-09-23 | |
| Almåselv | Vestland, Norway | 23 | 9 | 15 | 2015-09-14 | |
| Almåslia | Møre og Romsdal, Norway | 2 | 1 | 0 | 2022-04-21 | |
| Alnabru | Oslo, Norway | 1 | 1 | 0 | 2011-07-27 | |
| Alnes | Møre og Romsdal, Norway | 2 | 2 | 0 | 2010-08-05 | |
| Alshus | Østfold, Norway | 1 | 1 | 0 | 2014-08-05 | |
| Alstad | Nordland, Norway | 1 | 1 | 2 | 2011-09-11 | |
| Alstad | Nordland, Norway | 8 | 1 | 0 | 2017-04-27 | |
| Alsvågen | Nordland, Norway | 26 | 3 | 0 | 1994-11-28 | |
| Alsåker | Vestland, Norway | 1 | 1 | 0 | 2021-04-04 | |
| Alta | Finnmark, Norway | 1 | 1 | 0 | 2007-06-02 | |
| Alta generelt | Finnmark, Norway | 1 | 1 | 0 | 2011-09-16 | |
| Alta tettsted | Finnmark, Norway | 1 | 1 | 0 | 2019-05-03 | |
| Alta ungdomsskole | Finnmark, Norway | 64 | 3 | 1 | 2023-05-16 | |
| Alta, Amtmannsnes | Finnmark, Norway | 1 | 1 | 0 | 2007-06-04 | |
| Alta, Finnmark | Finnmark, Norway | 1 | 1 | 0 | 2017-05-07 |