[Against the unpleasant surprises of plum phytophaga]

aphidoidea atrayentes sexuales attractif sexuel attrattivi sessuali ciruela coccoidea control de plagas controllo dei parassiti cydia feromonas feromoni lutte antiravageur parassiti delle piante pest control pests of plants pheromones plagas de plantas plums prune prunus ravageur des plantes sex attractants susine tenthredinidae trampas trappole traps