The Silvery Arches (Polia hepatica) is a moth of the Noctuidae family. It is found in temperate Europe and Asia up to eastern Asia. It is not present in northernmost Fennoscandia and the southern parts of the Iberian Peninsula, Italy and Greece. It is also absent from Japan. The wingspan is 39–47 mm. Adults are in wing from the end of May to the beginning of August in one generation. The larvae feed on the leaves of Vaccinium, Rubus and Betula species.