[Side effects on the equilibrium Cacopsilla pyri - Anthocoris nemoralis of two ICI (Insecticides Chitin Inhibitors) used in the Cydia pomonella control in a pear orchard in Trentino (Italy)]

anthocoris nemoralis chemical control chitin chitine control de insectos cydia pomonella efectos secundarios effet secondaire enemigos naturales ennemi naturel experimentation hormonas de la muda hormone de mue huerto frutal insect control insecticidas insecticide insecticides italia italie italy lutte chimique moulting hormones natural enemies orchards psylloidea pyrus quitina side effects verger