论文部分内容阅读
山楂童锤角叶峰是近年来在安徽大别山区发现的一种新害虫。该虫严重为害山植和梨树、1年发生1代，以预蛹在茧内越夏越冬。幼虫食叶为害，每年5月上中旬为猖极为害期。此虫发生与海拔高度及温湿度关系密切。
Hawthorn Tong hammer angle Ye Feng is found in recent years in the Dabie Mountains in Anhui Province of a new pest. The pests severely damage the mountain plants and pear trees, 1 generation occurred in 1 year, pre-pupa in winter overwintering in the cocoon. Larvae leaf damage, in mid-May each year for the rampant extremely harmful period. The occurrence of insects and the altitude and temperature and humidity are closely related.