When every S. guan carried about 1×10^7 spores of coccoid Beauveria bassiana, and touched the 4～5-instar of M. alternatus larva with 1:1, 1:2 and 1:3, the ratios of M. alternatus amounts to S. guan amounts, the parastizing infecting death rates were 55%,
When every S. guan carried about 1×10^7 spores of coccoid Beauveria bassiana, and touched the 4～5-instar of M. alternatus larva with 1:1, 1:2 and 1:3, the ratios of M. alternatus amounts to S. guan amounts, the parastizing infecting death rates were 55%,
每只管氏肿腿蜂携带球孢白僵菌约1×10^7个孢子时，对4～5龄松墨天牛幼虫按虫蜂比1:1、1:2和1:3接蜂，寄生感染死亡率分别为55%、75%和100%；管氏肿腿蜂携带球孢白僵菌防治木段内的松墨天牛幼虫寄生感染死亡率为87.13%。