细菌杀虫剂,作为生物防治的重要内容,已在世界上许多国家广为应用。如加拿大、美国、日本、捷克、苏联等国,在应用细菌杀虫剂防治农、林、牧、果、蔬菜等方面的害虫,获得了良好的杀虫效果。在国内,也有许多省如湖南、湖北、广东、福建等,采用细菌杀虫剂成功地防治了松毛虫等林业害虫。实践证明,细菌杀虫剂的优点很多:①对人、畜及植物无毒,不污染环境,无残留毒性;②能较好地保护天敌,不影响 Bacterial pesticides, as an important part of biological control, have been widely used in many countries in the world. Such as Canada, the United States, Japan, the Czech Republic, the Soviet Union and other countries, the application of bacterial pesticides to control pests in agriculture, forestry, animal husbandry, fruit and vegetables, get a good insecticidal effect. In China, there are also many provinces such as Hunan, Hubei, Guangdong, Fujian and so on. Bacterial pesticides have successfully prevented and controlled forest pests such as pine caterpillars. Practice has proved that the advantages of bacterial pesticides are many: ① people, livestock and plants non-toxic, does not pollute the environment, no residual toxicity; ② can better protect natural enemies, does not affect