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animal
:
germ
>
cirrate bacteriosis
昆虫细菌病
,亦称“软化病”。由一部分能使昆虫致病的细菌所引起的昆虫疾病。大部分属于球杆菌类,一般呈卵圆形,略长,在染色作用下成为二极的排列。此类细菌在害虫的微生物防治上具有重要的意义。例如苏芜金杆茵,引起各种鳞翅目昆虫的疾病;日本金龟子芽孢杆菌,引起日本金龟子的流乳病等;但如幼虫芽孢杆菌引起蜜蜂幼虫的美洲幼虫腐臭病,蚕芽抱杆菌 引起家蚕的软化病,则对益虫的饲养有害。