糠片蚧(Parlatoria Pergangir)是阔叶果树、观赏植物和林地树木的重要害虫之一。近年来柑桔受害日趋严重,其成蚧和幼蚧群集于枝梢.叶片及果面为害,使枝枯叶落,造成果实产量、品质下降,在局部地区造成严重损失。 研究方法 Parlatoria Pergangir is one of the major pests of hardwood trees, ornamental plants and woodland trees. In recent years, the citrus is getting more and more serious, and the insects and juveniles are clustered in the shoots, the leaves and fruit surfaces are damaged, the branches and leaves are fallen off, resulting in the decrease of fruit yield and quality, causing serious losses in some areas. Research methods