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宜兴毛竹林遭受多种蚧类危害.其中拟白须盾蚧、竹灰球粉蚧为危害较严重、发生较普遍的种类.拟白须盾蚧寄生竹秆、竹枝,被害严重时虫体将竹、秆包裹一层,剥去虫层,竹青褐色,竹材变脆发臭,降低利用价值,竹林出笋产竹量减少,终至衰败.竹灰球粉蚧寄生竹新抽枝基部及隐芽,使竹叶发黄,早地脱落,隐芽死亡,不能抽枝,严重时整株枯死.1983年6—10月对两种竹蚧用氧化乐果进行内吸传导防治试验,都取得了良好的效果.
Yixing Phyllostachys pubescens forest suffered a variety of hazards.Among them to be white to shield shield scale, bamboo ash ball mealybugs more serious harm to the occurrence of the more common species.White shield tortoise parasitic bamboo stalks, bamboo branches, when the victims were severely beaten Bamboo, stalks wrapped layer, stripped of insect layer, bamboo green brown, bamboo becomes brittle stinky, reduce the value of bamboo shoot bamboo production decreased, eventually declining. Hidden buds, the yellow leaves of bamboo, early fall, hidden bud death, can not branch, serious dead whole plant. 1983 June to October of two bamboo scale with omethoate absorption conduction control test, both got a good result.