[Useful impact of phytosanitary treatments on beneficial fauna: contribution of trials for certification [Cacopsylla pyri, Dasyneura pyri, Ephedrus, Pilophorus perplexus]]

acarien nuisible anthocoris nemoralis aphidius arbre fruitier arthropode auxiliaire biological control arthropods chemical control coccinella septempunctata control de insectos dysaphis efectos secundarios effet secondaire enemigos naturales ennemi naturel ensayo forficula auricularia fruit trees insect control insecte nuisible integrated control lucha integrada lutte antiacarien lutte chimique malus pumila mite control myzus persicae natural enemies neoseiulus panonychus ulmi pest insects pest mites pesticide pesticides plaguicidas prunus persica pyrus communis side effects testage testing toxicidad toxicity trial methods