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竹螟(Algedonia coclesalis Walker)近两年在我省德清、余杭、长兴、吴兴、安吉等县大面积发生,严重为害毛竹当年新竹,也为害淡竹、刚竹、早竹、哺鸡竹、红竹,甚至为害野生苦竹。竹螟以幼虫吐丝卷叶取食,发生多时,一株竹上有幼虫千余条,将竹叶食尽,形似火烧,严重影响竹材质量及竹林下年出笋。竹螟在我省西部山区为一年一代,以老熟幼虫于7月底以前入土,结土茧越冬(极少数
In the past two years, Alderonia coclesalis Walker occurred in large areas in Deqing, Yuhang, Changxing, Wuxing, Anji and other counties in our province, seriously damaging Phyllostachys pubescens. , Or even damage the wild bitter bamboo. Chilo suppressalis larvae feeding silk worm take time, a long time, a bamboo larvae more than a thousand articles, the bamboo leaves exhausted, shaped like a fire, seriously affecting the quality of bamboo and bamboo shoots next year. Bamboo borer in the western mountainous areas in our province for a generation to mature larvae by the end of July into the soil, soil winter cocoon (very few