杨卷叶螟(Botydbes dinialis walker)又名杨黄卷叶螟,属鳞翅目螟蛾科。主要为害杨树、柳树,以食嫩叶为主。我县调查情况表明,其发展趋势,虫口密度愈来愈大,危害程度愈来愈严重,近年来,有些地方嫩叶被吃光,变成秃梢,成为杨树叶部的主要害虫之一。因此,很有必要采取措施进行防治。汉寿县湖区1978年以前未栽植杨树,杨黄卷叶螟主要危害沿河一带的旱柳、垂柳,而且仅有少量发生,被害株率约10％。 Leafroll borer (Botydbes dinialis walker), also known as the yellow leaf roller, Lepidoptera Pyralidae. The main damage poplar, willow, mainly to eat young leaves. Survey of our county shows that the trend of its development, insect population density is getting bigger and bigger, more and more serious damage in recent years, some places young leaves are eaten, become bald, become one of the main pests of the poplar leaf department. Therefore, it is necessary to take measures to prevent and control. Hanshou County Lake area before 1978 is not planted poplar, yellow leaf roller mainly harms the willow along the river, weeping willows, and only a small amount, the victim strain rate of about 10%.