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本文综述了国内外研究与利用昆虫病原线虫的历史与现状，介绍了国内外应用昆虫病原线虫防治农林害虫的概况；并阐述昆虫病原线虫分类、生活史及类型，以及与共生细菌的互利共生、杀死寄主昆虫机制，阐述了共生细菌的分类、菌型、病原作用、抗菌作用及其与线虫的共生专化性；介绍了昆虫病原线虫活体培养与离体培养的方法和最新进展，讨论了影响昆虫病原线虫利用的一些因素诸如温湿度、辐射、寄主免疫反应，天敌的影响等；最后就存在的问题和应用前景作了述评，认为昆虫病原线虫在未来害虫治理和植物保护的持续发展中将发挥重大作用。
This paper reviews the history and current situation of research and utilization of insect pathogenic nematodes at home and abroad, introduces the application of insect pathogenic nematodes at home and abroad to prevent and control agricultural and forestry pests, and explicates the classification, life history and types of entomogenous nematodes, as well as mutually beneficial symbiosis with symbiotic bacteria, Killing the host insect mechanism, described the classification of commensal bacteria, bacteria, pathogenic effects, antibacterial activity and symbiosis with nematodes; introduced in vitro and in vitro culture methods and the latest progress of insect pathogenic nematodes were discussed Some factors influencing the utilization of entomopathogenic nematodes such as temperature and humidity, radiation, host immune response, the effects of natural enemies and so on; Finally, the existing problems and application prospects were reviewed, that the entomopathogenic nematode in the future development of pest management and plant protection in the sustainable development Will play a significant role.