桑白蚧又名桑盾蚧、桃介壳虫,属同翅目,盾蚧科。主要危害桃、杏、李等核果类果树,近年来在涞水县串枝红杏产区有暴发趋势。该虫以雌成虫和若虫群集固着在枝条上吸食养分,一般2～3年生枝条上数量最多,严重时自小枝和主干均可受害,整个枝条 Sang white scale also known as Sangdai Kuwana, peach scale insects, is a Homopterus, Diyanko Department. Major pests such as peach, apricot, plum and other stone fruit trees, in recent years in Suishui County Buxus Epiphytic burst outbreak trend. The insects and nymphs insects and nymphs fixed in the branches on the absorption of nutrients, usually 2 to 3 years on the largest number of branches, in severe cases from the twigs and trunk can suffer, the entire branches