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Drenthe, the Netherlands 30 July & 1 August 2010 |
| Gonepteryx rhamni | |
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| Drents-Friese Woud; 1 August 2009. Female (left) and male (right). | |
| Araschnia levana |
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Drents-Friese Woud; 1 August 2010. Intermediate between spring and summer form. |