人们形象地把危害花椒树的蚧壳虫类喻为“树虱子”。蚧壳虫的种类较多,这种危害花椒树的名为桑白蚧壳虫,又名桑盾蚧和桑桃蚧,是桃、杏等核果类和桑树的主要害虫。该虫以若虫或雌成虫群集固着在枝条上吸食养分,一般以2—3年生的枝条上数量最多。严重时,整个枝条被虫覆盖,象似涂上一层灰白色的蜡质物,被害处 People image the scale insects that endanger the pepper tree as “tree lice.” Scale insects species more harm the pepper tree called mulberry white scale insects, also known as mulberry, mulberry and mulberry scales peach, apricot and other stone fruits and mulberry main pests. The insects nymphs or female adults solidified in the branches of nutrients, usually 2-3 years on the largest number of branches. Seriously, the entire branches covered by insects, like a layer of gray wax coated, victims