核桃扁叶甲（ＧａｓｔｒｏｌｉｎａｄｅｐｒｅｓａｔｈｏｒａｃｉｃａＢａｌｙ）是核桃、核桃楸树的主要食叶害虫之一。近几年来，在辽宁省东部山区核桃楸林该虫普遍发生，个别植株严重，其成虫和幼虫均取食叶片，常将叶片食光，似火烧一般，影响树木生长与结实量，而且... GastrolinadepresathoracilBaly is one of the major leaf-eating pests of walnut and walnut trees. In recent years, in the eastern mountainous region of Liaoning Province, the insects are common in walnut trees, and some of the plants are very serious. The adults and larvae both feed on the leaves. They often eat the leaves and seem to burn them, affecting the growth and the fruit yield of the trees. .