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(九)网纹绵介壳虫网纹绵介壳虫是夏秋季的主要害虫,在小枝、叶柄和夏秋梢上发生数量最多。以若虫、雌虫群集在柑桔枝梢、或叶部和果实上吸食汁液,发生数量大时,极易诱致烟煤病,叶被害部变成黄斑,甚至脱落影响结果。网纹绵介壳虫以若虫越冬,间有少数雌虫越冬,四川一年发生二代,第一代4、5月,第二代7、8月,卵孵化为若虫后先爬出母体为害,多集中在小枝叶柄及叶背叶脉附近,待脱皮后才迁移。每个雌虫一生平均能产卵600余粒,产卵后雌虫体缩小干涸死
(Ixodistilles) Mesodalcales are the main pests of summer and autumn, with the largest number occurring on branchlets, petioles and summer and autumn shoots. In nymphs and females clusters citrus shoots, or leaves and fruits on the juice, the occurrence of a large number, easily lead to bituminous coal disease, leaf damage to the Ministry of the macula, or even fall off the results. Rectangular scale insects to nymphs overwintering, a small number of females overwintering between two generations a year in Sichuan, the first generation in April and May, the second generation in July and August, the eggs hatch after nymphs first climb out of the mother damage, Mostly concentrated in the sprig petiole and leaf dorsal veins nearby, to be removed after peeling. An average of more than 600 eggs can be spawned in each females, and the females shrink and dry up after spawning