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looks alot like Palloptera umbellatarum
I only have experience with Palloptera umbellatarum.

need to eliminate Palloptera flava and maculifemur.
I do not have keys for Pallopteridae. Maybe someone here has keys?

German options:
Palloptera flava [need keys]
Palloptera maculifemur [need keys]
Palloptera marginata [not this one]
Palloptera umbellatarum [matches well]
Palloptera ustulata [not this one]

I don't think it's Toxoneura modesta.
I see infuscation on the anal vein.