Plemyria rubiginata, the blue-bordered carpet, is a moth of the family Geometridae. The distribution area extends through Western and Central Europe including the British Isles, and continues through the temperate zone of the Palearctic to the Russian Far East Siberia and Japan. It rises to an altitude of 1500 metres in the Alps. The moth flies from June to the beginning of September . The larva feed on many kinds of trees and bushes, including alder and blackthorn. Habitat: prefers inhabited areas of hedges, forests, orchards and gardens.