以下为句子列表:
英文: 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.
中文: 摘要通过对美国白蛾各个发育期的天敌进行调查与研究,发现除了捕食性天敌七星瓢虫、大刀螳螂等外,幼虫期有2种寄生性天敌、蛹期有12种寄生性天敌,这为保护和利用天敌、有效控制美国白蛾提供了依据。
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英文: New Records of Braconid Parasitoids (Hymenoptera) from Paddy Field in China.
中文: 记述稻田寄生蜂4中国新记录种,1中国大陆新记录种.
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