板栗介壳虫是危害板栗树主要害虫之一，以其成虫和若虫群集在板栗树的主干及枝条上吸食板栗树的汁液，使树叶出现黄色斑点，直至逐渐枯死脱落，重则树枝或整株死亡。危害板栗树的介壳虫主要有两种：栗绛蚧和栗链蚧。一、生活习性栗绛蚧一年发生１代，越冬雌虫于翌年３月初蜕皮 Chestnut scale insects is one of the major pests that endanger the chestnut trees. The adults and nymphs cluster the juice of the chestnut trees on the trunk and branches of the chestnut trees, causing yellow spots on the leaves until they gradually die and fall, while the branches and whole plants die . There are two main types of scale insects that endanger chestnut trees: chestnut scale and chestnut scale scale. First, the habits of habit He Li Jiang Kui a generation a year, overwintering females molt in early March the following year