The traditional biological control makes use of natural enemy to control pests.Progression technically with science,The contents of the biological control has always been enlarging. 传统的生物防治指利用害虫的天敌来防治 害虫。随着科学技术的不断进步，生物防 治的内容一直在扩充。The traditional biological control makes use of natural enemy to control pests. Progression technically with science, The contents of the biological control has always been enlarging. 传统的生物防治指利用害虫的天敌来防治 害虫。随着科学技术的不断进步，生物防 治的内容一直在扩充