Photo © Ben Sale
Eupithecia inturbata, the maple pug, is a moth of the family Geometridae. The species can be found in central Europe, Great Britain and southern Scandinavia.
The wingspan is 13–15 mm. The moths flies from July to August depending on the location.
The caterpillars feed on Acer campestris.
Source: Wikipedia
The primary larval foodplant is Field Maple (Acer campestre).