白僵菌是寄生在昆虫体上的一种真菌,能寄生松毛虫、油桐尺蠖、竹螟、玉米螟虫、菜青虫等多种农、林害虫。菌孢接触虫体,温度、湿度适宜,即发芽侵入虫体内,产生菌丝、分泌毒物,使害虫染病僵死。河南省固始县有纯松林四十多万亩,历来受松毛虫危害严重。起初,用人工扑打,摘茧,诱蛾等办法进行捕杀。以后,单纯靠飞机喷化学药剂,结果:治虫 Beauveria bassiana is a fungus parasitic on the insect body, can parasitic pine caterpillars, tung tree tress, bamboo borer, corn borer, cabbage caterpillar and other agricultural and forest pests. Bacteria contact with parasites, temperature, humidity appropriate, that germination invade the worms, mycelium, the secretion of poison, so that pests infected with zombie. Gushi County, Henan Province, more than 40 million mu of pure pine forest, pine caterpillars have always been harms. At first, using artificial swatting, picking cocoon, moths and other ways to kill. Later, simply by spraying the aircraft chemical agents, the results: pest control