It is sometimes classified as a variety of "Prunus domestica" subsp. This plum is a cultivar of the egg plum group ("Prunus domestica" ssp. Larvae gnaw the leaf margins of the host plants (especially "Prunus domestica" and "Prunus cerasus"). A prune is a dried plum of any cultivar, mostly the European plum ("Prunus domestica"). The Mirabelle or Greengage varieties of "Prunus domestica" may be more resistant. It was once classed as "Prunus pertigona" or "Prunus domestica pertigona". It is a subspecies of the plum "Prunus domestica". Other recorded food plants include "Prunus spinosa", "Prunus domestica", "Fraxinus" and "Rumex" species. The larvae feed on "Prunus domestica", "Prunus spinosa" and other "Prunus" species.