The young caterpillars penetrate buds and bind the young leaves together with silk. When larvae penetrate the still closed bud, they incise the peduncle below the calyx. L ife Cycle - 1 generation per year. Pupation occurs inside shrivelled leaves. Flights are observed from end of May to end of July.
Eggs remain in diapause until the next spring.
The incisions on the bud peduncle lead to premature drop. Tortrice verdastra dei germogli, Cacecia rosa dei fruttiferi. Damage on the pear leaves To shelter themselve, larvae weave silk threads which prevent unfolding of the lamina. Damage on pears Springtime damage has prevent normal growth of the fruit. The apples have been cut open to show the extent of springtime attacks on very immature fruits.