梨象虫又称梨虎,属于鞘翅目象虫科的一种害虫。它以成、幼虫为害,成虫取食嫩芽啃食果皮果肉,造成“麻脸果”,产卵时咬伤产卵果的柄,造成落果;幼虫在果内蛀食,被害果皱缩脱落。因此,对梨的产量、质量影响很大,为梨树重要害虫之一。近年来在本市石景山区黑石头大队发生普遍为害严重,据调查统计 Pear, also known as Pear, as a pest insects, Coleoptera. It takes as larvae, adults feeding on the tender buds eating fruit peel pulp, resulting in “Ma face fruit” spawning eggs spawning when the handle bites, resulting in fruit drop; larvae in the fruit borers, the fruit shrinkage collapse. Therefore, pear yield, quality has a great impact, pear one of the important pests. In recent years, Shijingshan District, Black Stone Brigade occurred in the city widespread harm, according to survey statistics