Observatør Bjørn Pettersen
Norwegian moths and butterflies 2009-07-31 Bjørn Pettersen Tronsvanglia (Innlandet, Norway) | Scopula ternata (Smoky Wave) |  |
Norwegian moths and butterflies 2010-08-07 Bjørn Pettersen Tronsvanglia (Innlandet, Norway) | Erebia ligea (Arran Brown) Eulithis populata (Northern Spinach) Scotopteryx chenopodiata (Shaded Broad-bar) Thera cognata (Chestnut-coloured Carpet) |  |
Norwegian moths and butterflies 2006-09-21 Bjørn Pettersen Tronsvanglia (Innlandet, Norway) | Operophtera fagata (Northern Winter Moth) |  |
Norwegian moths and butterflies 2010-08-20 Bjørn Pettersen Tronsvanglia (Innlandet, Norway) | Eupithecia pusillata (Juniper Pug) |  |
Norwegian moths and butterflies 2010-08-05 Bjørn Pettersen Tronsvanglia (Innlandet, Norway) | Hylaea fasciaria (Barred Red) Syngrapha interrogationis (Scarce Silver Y) |  |
Norwegian moths and butterflies 2010-04-12 Bjørn Pettersen Tronsvanglia (Innlandet, Norway) | Archiearis parthenias (Orange Underwing) |  |