在皖南宣州马尾松林设立标准地，通过冬前放菌，定期调查、取样和检测，并以酯酶同工酶技术鉴别株型，研究了球孢白僵菌在皖南林区越冬马尾松毛虫种群中的宿存，评价了“带菌越冬”措施的致病效果。结果表明，冬前放菌后，白僵菌可在寄主表皮及其林区环境中越冬宿存，但对松毛虫春季发病没有明显加速作用。 In the Southern Anhui Xuanzhou Masson pine set standards, through the winter before the actinomycosis, regular survey, sampling and testing, and esterase isozyme identification of plant type, the Beauveria bassiana in winter in southern Anhui Dendrolimus punctatus The persistence in the population evaluated the pathogenic effects of the “overwinter” approach. The results showed that Beauveria bassiana could survive in winter in the host epidermis and its forest environment, but did not accelerate the development of the pine caterpillars in spring.