永寿县地处陕西省渭北旱塬西部的南缘地带,近几年来草履蚧[Drosichacorpulenta(kuwana)]在本县局部果区发生逐年加重。草履蚧又名草履硕蚧、日本草履蚧。以其若虫和雌成虫刺吸苹果、桃等果树的嫩芽、枝干汁液,造成树势衰弱,生长不良,严重时可使枝、梢、芽枯萎,甚至整株死亡。19 Yongshou County is located in the southern margin of the western Weibei Arid Plateau in Shaanxi Province. In recent years, Drosichacorpulenta (kuwana) has been increasing year by year in the local fruit areas of this county. Grasshoppers also known as Grass Grasshoppers, Grasshopper Japan grass. Its nymphs and female adult thorns sucking apples, peaches and other fruit trees buds, branches juice, resulting in weak bonsai, poor growth, severe branches, shoots, buds can even wither, and even the whole plant died. 19