Screening , identification and improvement of pathogenicity of nucleopolyhedroviruses against several noctuid pests .

数种夜蛾科害虫核多角体病毒之筛选、鉴定与致病力之改进。

Larva of a noctuid moth ; highly destructive to esp. corn and cotton and tomato .

一种夜蛾的幼虫；尤其对玉米、棉花和番茄的破坏性极高。