Oulema septentrionis (Weise, 1880)
Larvae free on the leaves, their body covered by a mantle consisting of a mix of frass and secretion; cause linear window feeding.
Univoltine, hibernation as imago.
distribution within Europe
Noordijk, Ulenberg, Zwakhals ao (2016a), Rheinheimer & Hassler (2018a), Rozner & Rozner (2008a).