Prunus mume
The larvae feed on "Malus domestica", "Prunus armeniaca", "Prunus avium", "Prunus cerasifera", "Prunus cerasifera "var." pissardii", "Prunus domestica", "Prunus domestica insititia", "Prunus mahaleb", "Prunus mume", "Prunus spinosa", "Prunus subcordata" and "Prunus triloba". They mine the leaves of their host plant. The first part of the mine consists of a slender corridor with a wide uninterrupted frass line. After a moult this corridor abruptly widens into a blotch. Pupation takes place outside of the mine.