Natural enemies of Hyphantria cunea (Drury) were investigated in Qinhuangdao, Hebei Province. Two parasitoids in larva stage, 12 parasitoids in pupal stage and 2 predators (Coccinella septempunctata and Tenodera sinensis) were found.
英
美
- 摘要通過(guò)對美國白蛾各個(gè)發(fā)育期的天敵進(jìn)行調查與研究，發(fā)現除了捕食性天敵七星瓢蟲(chóng)、大刀螳螂等外，幼蟲(chóng)期有2種寄生性天敵、蛹期有12種寄生性天敵，這為保護和利用天敵、有效控制美國白蛾提供了依據。
