核桃举肢蛾分布于北京、山西、陕西、河北、四川、贵州等地。寄主植物以核桃为主,亦能危害核桃楸。核桃举肢蛾在我国主要产区均有发生,以幼虫蛀入核桃果内以后,蛀孔外出现白色胶珠,后变琥珀色。该虫侵入青果内部啃食果仁,产生很细的黑色虫道,致使果实大部分甚至全部变黑,并开始凹陷,或啃食果柄之间的维管束,引发核桃落果,严重影响了产量,是核桃丰产的害虫之一。 Walnut lifting moths located in Beijing, Shanxi, Shaanxi, Hebei, Sichuan, Guizhou and other places. Host plants to walnut-based, but also endanger Juglans mandshurica. Walnut Ligustrum in China’s major producing areas have occurred in order to larvae walnut into the walnut fruit after the hole outside the white glue beads appear, after the change becomes amber. The insects invade the fruit inside eating nuts, resulting in very fine black insects, resulting in most of the fruit even all black, and began to depression, or grasping the vascular bundle between the fruit stalk, causing walnut fruit drop, seriously affecting the yield , Is one of the walnut pests.