Photo © Andy Mitchell
Laspeyria flexula, the beautiful hook-tip, is a moth of the family Erebidae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. It is found in the Palearctic realm.
The wingspan is 23–27 mm. The moth flies from May to June depending on the location.
The larvae feed on willow and Populus tremula (aspen).
Source: Wikipedia
The primary larval foodplants are (Physcia stellaris), (Xanthoria parietina) and lichens.