Gall sticking out on both sides of the leaf, more on the bottom side.
ex Quercis sp.
Plant pests and diseases
https://bladmineerders.nl/parasites/animalia/arthropoda/insecta/hemiptera/sternorrhyncha/phylloxeroidea/phylloxeridae/phylloxera/phylloxera-glabra/
on Quercus robur =Macrodiplosis volvens
Blattgalle auf Quercus robur
Auf Quercus robur
Quercus robur
Quercus
Folds on Quercus robur.
On Alnus glutinosa
On Tilia cord.
??
On Frangula alnus (korpipaatsama)
Streetside, near planted Lonicera.
?
On Populus tremula, underside of leaf.
On Pteridium aquilinum
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