The wingspan is 20–25 mm for males and 30–35 mm for females. Adults are on wing from May to June.
The larvae are polyphagus and feed mainly on Fabaceae species (including Lotus, Coronilla, Hippocrepis and Onobrychis), as well as various shrubs (Prunus spinosa, Salix, Vaccinium, Calluna and Rosa) and other plants (Asteraceae, Rosaceae including Potentilla). Larvae can be found from July to April. The species overwinters in the larval stage.
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