浙江省美国山核桃害虫及天敌资源调查

Investigation on Insect Pest and Natural Enemy of Carya illinoensis in Zhejiang Province

2012年3月至2015年5月对浙江省美国山核桃害虫种类及天敌资源进行调查,结果发现:浙江省美国山核桃林虫害普遍发生严重,危害美国山核桃的害虫种类较多,共有7目53科142种。其中,危害美国山核林的主要食叶害虫14种、蛀干害虫5种、根部害虫6种、刺吸类害虫6种;浙江省美国山核桃林内天敌昆虫共有6目11科33种,主要以蚜虫及鳞翅目幼虫的捕食类天敌昆虫为主,其中以瓢甲科、步甲科的天敌种类最多,其次为寄蝇科、蚁科及螳螂科。

Investigation was carried out from March 2013 to May 2015 on insect pest and natural enemy of Carya illinoensis in Zhejiang province. The result demonstrated that there are 142 species of insect pests belonging to 53 families and 7 orders. Among them, 14 species are defoliators, 5 species borers, 6 species root insects and 6 species sucking ones. And there are 33 species of natural enemies belonging to 11 families and 6 orders, dominated by Coccinellidae, Carabidae feeding on aphids and larva of Lepidoptera.