以虫治虫
以虫治虫-
如同老传统的传病媒介控制一样：这种情况就是要以虫治虫。
Along with good old vector control : in this case , fighting bugs with bugs .
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以虫治虫，一次释放，多年受益，达到了有虫不成灾，保护环境，降低防治成本的效果。
The effect can be attained for not causing disaster with insects in many years , protecting the environment and reducing cost .
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鉴于该地区水稻害虫种类的相对单一，一旦筛选到本地的优势天敌种类，容易推广以虫治虫的生物防治技术，进而有效控制水稻二化螟的发生和危害。
Considering the relative simple of insect pest species in local agro-ecology system , the bio-control technology using natural enemies to control this pest is easy to be adopted as soon as the dominant species of natural enemies are screened .