皖西南茶区茶毛虫的生活习性及防治

• 作 者: 杨作兵
• 机 构: 太湖县刘畈乡农技站!246400
• 出 处: 安徽农业
• 发表日期: 1997年08期
• 关键词: 茶毛虫 习性 皖西南 结茧化蛹 危害期 幼虫 雌蛾 群集性 根际 毛虫

一、生活习性皖西南茶区茶毛虫一年发生2代，以卵块在老叶背面越冬，翌年4月上旬开始孵化，第一、二代幼虫危害期分别在4～6月、7～9月。雌蛾产卵于老叶背面，幼虫具有群集性，3龄前群集性强，数十头至数百头集中在叶背面取食下表皮和叶肉，留上表皮呈半透明黄绿色薄膜状，3龄

First, the habits of tea caterpillars in the southwest of Anhui Province occurred two generations a year, with egg blocks in the back of the old winter, the hatch began in early April the following year, the first and second larvae were from April to June, July to September . Female moth spawns on the back of the old leaves, larvae have clustering, strong clustering before the 3rd instar, dozens to hundreds focus on the back of the leaves feeding on the epidermis and mesophyll, leaving the epidermis was translucent yellow-green film, 3rd age