油茶林鳞翅目害虫3种天敌记述

采用林间调查和室内饲养等方法,发现了油茶林鳞翅目害虫的3种天敌,即印度长颈步甲Ophionea indica、日本长颈步甲Mimocolliuris insulana和茶梢尖蛾长体茧蜂Macrocentrus parametriates ivorus,前2种天敌主要捕食鳞翅目卷叶类害虫、假眼小绿叶蝉Empoasca vitis等,且为首次在油茶林中发现;茶梢尖蛾长体茧蜂寄生茶梢尖蛾Parametriotes theae幼虫,为首次在广东省记录。记述了3种天敌的形态特征、寄主、国内分布及生物学特性等。

Three species of natural enemies on Lepidopera pests of Oil Tea

Through fieldinvestigation and laboratory rearingmethods,3species of natural enemiesof Lepidoptera pests in oil tea field were founded, eg. Ophionea indica, Mimocolliuris insulana and Macrocentrus parametriates ivorus. The front two species were firstly founded in oil tea field, mainly feed on Lepidopera pests larvae which rolling leaf, Empoasca vitis and so on; the last one was firstly recorded in Guangdong Province in oil tea field, parasitic on the larvae of Parametriotes theae. The morphological characteristics, host pests, domesticdistribution andbiological characteristics of 3 species of natural enemies were described also.