杨毒蛾(ＬｅｕｃｏｍａｓａｌｉｃｉｓＬ)是林木主要害虫之一,近年来在石河子垦区发生较重,不少片林和行道树叶片被吃光,生长势衰弱,甚至死亡,对林木威胁很大。搞清杨毒蛾的发生规律,做好防治工作具有重要意义。一、杨毒蛾寄主及危害杨毒蛾为害多种杨树,在杨树叶片被吃光?.. Leucomas alicis L. is one of the major pests of forest trees. In recent years, Leucomas alicis L. has been seriously damaged in Shihezi reclamation area. Many leaf and roadside leaves are eaten, their growth potential is weak and even dead, which threatens the tree. It is of great significance to find out the regularity of the occurrence of the poison moth and to make good prevention and cure work. A, Yang poison moth host and harm the poisonous moth damage a variety of poplar, poplar leaves are eaten?