From broad point of view, biological control is the method that makes use of biology and their products 迈入二十世纪 control pests,including 的中国生物防治 the traditional method that makes use of natural enemy and insect's sterility which appeared recent years,make use of hormone and the pheromone of insect From broad point of view, biological control is the method that makes use of biology and their products control pests, including the traditional method that makes use of natural enemy and insect’s sterility which appeared recent years, make use of hormone and the pheromone of insect