Klasse: Edderkoppdyr (Arachnida)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2024 | 1 | 1 | 1 | 2 |
| 2023 | 6 | 7 | 6 | 9 |
| 2022 | 3 | 2 | 2 | 3 |
| 2020 | 1 | 1 | 1 | 1 |
| 2019 | 5 | 4 | 4 | 25 |
| 2018 | 3 | 3 | 3 | 13 |
| 2017 | 4 | 5 | 4 | 6 |
| 2016 | 6 | 8 | 8 | 21 |
| 2015 | 9 | 15 | 15 | 26 |
| 2014 | 24 | 17 | 10 | 58 |
| 2013 | 13 | 71 | 65 | 132 |
| 2012 | 13 | 16 | 14 | 26 |
| 2011 | 5 | 9 | 9 | 11 |
| 2010 | 10 | 10 | 8 | 14 |
| 2009 | 12 | 11 | 10 | 33 |
| 2008 | 4 | 11 | 10 | 18 |
| 2007 | 10 | 15 | 11 | 22 |
| 2006 | 7 | 16 | 15 | 21 |
| 2005 | 8 | 18 | 17 | 27 |
| 2004 | 8 | 23 | 19 | 46 |
| 2003 | 5 | 11 | 11 | 18 |
| 2002 | 6 | 12 | 14 | 25 |
| 2001 | 4 | 8 | 8 | 14 |
| 2000 | 3 | 10 | 10 | 17 |
| 1999 | 6 | 4 | 4 | 8 |
| 1997 | 1 | 1 | 1 | 1 |
| 1996 | 2 | 2 | 2 | 2 |
| 1995 | 1 | 1 | 1 | 1 |
| 1991 | 1 | 2 | 2 | 2 |
| 1990 | 1 | 1 | 1 | 1 |
| 1989 | 2 | 2 | 2 | 2 |
| Totalt alle år | 43 | 256 | 195 | 605 |