Scythropia crataegella from the safety of a silken web they produce together; young larvae are leaf miners. The mainstay food is leaves of "Crataegus" (hawthorn), hence the species' name. But they have also been recorded from other Amygdaloideae, e.g. blackthorn ("Prunus spinosa") and other "Prunus" species, "Cotoneaster", as well as "Malus sylvestris" and "Pyrus" (pear). Scythropia crataegella Scythropia crataegella, the hawthorn moth, is a species of moth in the family Plutellidae from western Eurasia. It is usually placed in a small subfamily Scythropiinae, which is sometimes included in the Yponomeutinae of the Yponomeutidae. Described as "Phalaena crataegella" by Linnaeus in 1767, it
Prunus ursina It is usually present in too small a quantity to do any harm but any very bitter seed or fruit should not be eaten. Consumption of small quantities of hydrogen cyanide stimulates respiration and improves digestion. Excessive consumption of the toxin can cause respiratory failure and death. "Prunus ursina" fuits better in full sun but is still successful in partial shade. The tree will form suckers if its shallow roots are damaged. Among the pests that affect the "prunus" genus is honey fungus. the seed requires 2–3 months cold stratification in order to germinate. Prunus ursina Prunus ursina (bear's plum,