Photo © Ben Sale
Drepana cultraria, the barred hook-tip, is a moth of the family Drepanidae and part of Drepana subgenus Watsonalla. It is found in southern and central Europe.
The wingspan is 20–28 mm. The moth flies from May to August depending on the location.
The larvae feed on Fagus species.
Source: Wikipedia
The primary larval foodplant is Beech (Fagus sylvatica).