介绍一种防治金龟子的方法在金龟子成虫发生期，在果树株间挖长０．８ｍ、宽０．５ｍ、深０．３ｍ的坑，坑内铺上０．０１ｍｍ的薄膜，做成一个人工防渗水坑，坑内倒满清水。夜间注满清水的坑因光反射而比较明亮，金龟子因趋光性而纷纷飞入水坑中。翌晨一个水坑能捡到２０... Introducing a method of preventing and treating beetles During the occurrence of beetle adults, a pit of 0.8m in width, 0.5m in width and 0.3m in depth was excavated between fruit trees, and a 0.01mm film was laid in the pit to make an artificial seepage control Puddle, pit filled with water. The pit filled with clear water at night was brighter due to light reflection, and the chafers flew into the puddle due to their phototaxis. The next morning a puddle can pick up 20 ...