Species group: Caloptilia betulicola/elongella
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2022 | 1 | 1 | 1 | 2 |
| 2019 | 1 | 3 | 2 | 5 |
| 2017 | 1 | 4 | 4 | 4 |
| 2016 | 1 | 5 | 5 | 7 |
| 2015 | 1 | 4 | 4 | 4 |
| 2014 | 1 | 11 | 6 | 40 |
| 2013 | 1 | 7 | 5 | 23 |
| 2012 | 1 | 4 | 4 | 7 |
| 2011 | 1 | 10 | 8 | 17 |
| 2010 | 1 | 5 | 2 | 12 |
| 2009 | 1 | 3 | 3 | 6 |
| Totalt alle år | 1 | 30 | 16 | 127 |