适时防治桑白蚧桑白蚧属于同翅目、盾蚧科，又称桑盾蚧，桑介壳虫。此虫为害桃、杏、苹果、梨等果树，在我县主要为害桃树。以雌成虫和若虫群集固着在枝干上吸食养分，受害严重树，枝干介壳密集重叠，树势衰弱，甚至枝条或全株死亡。一、发生规律该虫在我县一年发生两代，... Timely control Mulberry white Kuwana Kuwana belonging to the Homoptera, Diaspididae, also known as Sangdai Kuwana, Sang scale insects. This pest damage peach, apricot, apple, pear and other fruit trees, pests in the main pests in our county. In female adults and nymphs colonization sticks on the branches suck nutrients, severely damaged trees, densely overlapping branches of the mechlorets, the tree is weak, and even the death of branches or whole plant. First, the law of the pest occurred in my county two generations a year, ...