“一物降一物”,七星瓢虫爱吃蚜虫,使经常危害果树、蔬菜、花卉等经济作物的蚜虫无法逃过食物链的无形大网。宁夏科研人员通过自治区科技厅重大农业科技攻关项目的实施,实现了瓢虫的工业化养殖和利用,取得生物技术防治蚜虫的突破。日前,该自治区已建立80平方米的瓢虫养殖实验室 “A thing down a thing,” Seven Ladybug love to eat aphids, so that often harm fruit trees, vegetables, flowers and other economic crops aphids can not escape the invisible net of the food chain. Through the implementation of major agricultural science and technology research projects of the Science and Technology Department of the autonomous region, researchers in Ningxia realized the industrialized breeding and utilization of ladybugs and achieved breakthroughs in the prevention and control of aphids by biotechnology. Recently, the autonomous region has established 80 square meters of ladybug breeding laboratory