琼中绿橙害虫及天敌种类调查

为了摸清琼中绿橙的害虫、天敌种类及发生情况,为制定害虫防治策略提供依据。采用网捕、踏查、徒手采集、震落、灯诱及色板诱集相结合的方法,于2014年12月-2017年9月对琼中绿橙害虫及天敌进行了调查。结果表明：危害琼中绿橙的害虫共有9目33科69种,其中柑橘木虱、柑橘潜叶蛾、螨类、天牛、尺蠖及凤蝶对其危害较重；琼中绿橙害虫天敌共有8目11科19种,主要以捕食性天敌蜘蛛、瓢虫及鳞翅目害虫寄生蜂为主。

An Investigation on Pests and Predators of Qiongzhong Green Orange

The paper aims to clarify the species and occurrence of the insect pests and their natural enemies on Qiongzhong green orange, provide a basis for formulating insect pest management strategy. Investigation about insect pests and natural enemies on Qiongzhong green orange was carried out from December 2014 to September 2017 by using the methods such as caught by nets, reconnaissance, collected by hands, branches shaking, trap lamps and sticky traps. The results demonstrated that there were 69 species of insect pests on Qiongzhong green orange, which belonged to 33 families and 9 orders, and Diaphorina citri, Phyllocnistis citrella, mites, longicorn, looper and papilio were the main insect pests. There were 19 species of natural enemies to the insect pests on Qiongzhong green orange，belonging to 11 families and 8 orders, spiders and ladybird were the main predators, when most of the hymenopterous parasitoids were collected from lepidopterous insects.