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竹巢粉蚧(Nesticoccus Sinensis),属同翅目粉蚧科(Pseudococcidae),是毛竹的重要害虫.在江苏宜兴一年发生一代,以卵在母体内越冬,5月初孵化,若虫寄生当年新抽枝的基部,刺吸竹液,导致叶色发灰,新枝叶早落,枯枝枯梢,严重时整株枯死.据调查,宜兴竹区此虫发生面积达3万亩以上,危害严重的有1万亩以上,仅横山竹区就有2000多亩严重受害,损失很大,急待有效防治.以往曾采用竹基打孔,注入40%氧化乐果原液通过内吸传导毒杀盛孵末期若虫.但迄未大面积推广应用.其原因;1.注
Nesticoccus sinensis (Nesticoccus Sinensis) belongs to the genus Pseudococcidae and is an important pest of Phyllostachys pubescens. One generation a year occurs in Yixing, Jiangsu province. The eggs are overwintered in their mothers and hatch in early May. According to the survey, the area of Yixing Bamboo Zone occurred more than 30,000 mu, which seriously threatened the development of the plant. There are more than 1 mu, only Hengshan Bamboo District, there are 2000 acres of serious damage, a great loss, an urgent need for effective prevention and treatment. In the past have used bamboo-based drilling, injection of 40% End of the nymph, but has not yet been widely applied. The reason;