竹叶涓夜蛾研究初报

Preliminary research on Rivula biatomea

记述了竹叶涓夜蛾Rivulabiatomea的寄主范围、形态特征、生物学特性、天敌。该虫在浙江余姚地区每年发生 5代 ,以幼虫越冬。收集并鉴定了寄生性天敌 2 3种。采取预测预报、营林措施、天敌保护和化学治疗等综合防治技术 ,能有效地抑制该虫的危害。

This paper describes range of the host, morphological characters bionomics, natural enemies of Rivula biatomea. This species has five generations each year in Yuyao , Zhejiang Province and overwinters as larvae in leaves. Twenty-three species of parasitoids were collected from R. biatomea. Methods of integrated control techniques including forecasting,chestnut stand tending,protection of natural enemies and chemical treatments were effective in controlling this pest.