核桃舞毒蛾又名柿毛虫,属鳞翅目毒蛾科,是一种世界性害虫,危害500多种针叶类和阔叶类果树。在我区主要危害杨、榆、核桃、苹果、梨等树木。以幼虫咬食叶片,造成树势衰弱,影响产量。1发生规律1.1核桃舞毒蛾在新疆一年发生一代,以卵块在树皮上及梯田的堰缝、石缝中越冬。翌年4月 Walnut Gypsy moth, also known as persimmon, is a Lepidoptera moth family, is a worldwide pest, endangering more than 500 kinds of coniferous and broad-leaved fruit trees. In my area the main harm to Yang, Yu, walnuts, apples, pears and other trees. The larvae bite on the leaves, resulting in frailty, affecting production. 1 occurs 1.1 nuclear walnut Gypsy moth occurs in Xinjiang a year, with eggs in the bark and terraces of the weir seam, winter cracks in the stone. The following year in April