Oulema tristis (Herbst, 1786)
on grassen
parasite
Larvae free on the leaves, their body covered by a mantle consisting of a mix of frass and secretion; cause linear window feeding.
host plants
Poaceae, oligophagous
phenology
Univoltinem hibernation as imago.
distribution within Europe
references
Rheinheimer & Hassler (2018a).