Species: Brown Hairstreak (Thecla betulae)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2024 | 1 | 1 | 1 | 1 |
| 2023 | 1 | 2 | 2 | 2 |
| 2020 | 1 | 1 | 1 | 1 |
| 2019 | 1 | 1 | 1 | 1 |
| 2016 | 1 | 1 | 1 | 1 |
| 2015 | 1 | 1 | 1 | 1 |
| 2014 | 1 | 2 | 2 | 3 |
| 2013 | 1 | 3 | 2 | 3 |
| 2012 | 1 | 3 | 3 | 3 |
| 2011 | 1 | 1 | 1 | 1 |
| 2010 | 1 | 1 | 1 | 1 |
| 2007 | 1 | 1 | 1 | 2 |
| 2006 | 1 | 1 | 1 | 1 |
| Totalt alle år | 1 | 13 | 11 | 21 |
