Phyllonorycter froelichiella is a moth of the family Gracillariidae. It is found in all of Europe, except Greece.
The wingspan is 9–10 mm. Differs from L Nicellii as follows : forewings somewhat broader, more orange-tinged, markings more ochreous-tinged.[1]
Adults are on wing from July to August in one generation in western Europe.
The larvae feed on Alnus glutinosa and Alnus incana, mining the leaves of their host plant.