桃园桑盾蚧的发生与防治桑盾以是危害桃、杏、李等核果类果树的重要害虫，以著虫和雌成虫固定在枝条上刺吸危害，被害枝条发育不良，甚至整株死亡。桃园一旦发生该虫，如防治不力，则３—５年内全园毁灭。桑盾蚧１年发生２代，以受精雌成虫固定在枝条上越冬。若虫第１代发... Occurrence and Prevention of Sangdoniae in Taoyuan Sangdun is an important pest that damages peach, apricot and plum and other stone fruit trees. Insects and females are immobilized on the branches and sucked and harmed. The damaged branches are stunted and even the entire plant dies. In the event of pests in Taoyuan, such as poor control, the whole garden destroyed within 3-5 years. Sang Sang Kui 1 occurred in 2 years to fertilized female adults fixed in the branches overwintering. Nymph first generation ...