Observatør Knut-Åge Bergerud
Norwegian moths and butterflies 2011-05-12 Knut-Åge Bergerud Rørvikdalen. (Akershus, Norway) | Selenia dentaria (Early Thorn) |  |
Norwegian moths and butterflies 2011-05-10 Knut-Åge Bergerud Tofteskogen naturreservat (Akershus, Norway) | Pieris napi (Green-veined White) |  |