Photo © Ben Sale
Catarhoe rubidata, the ruddy carpet, is a moth of the family Geometridae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. It is found in western Europe and the Iberian Peninsula and western Central Asia.
The wingspan is 26–31 mm.
The larvae feed on Galium species.
Source: Wikipedia
The primary larval foodplants are Hedge Bedstraw (Galium album) and Lady's Bedstraw (Galium verum).