【摘要】 在云南省薄壳山核桃和八角主要种植区进行这2种干果经济林主要害虫的天敌类群调查,共获得主要害虫寄生性天敌25种,捕食性天敌45种,对天敌类群的分布规律进行了分析.研究结果表明,云南省薄壳山核桃和八角林内主要害虫的天敌资源比较丰富,天敌的类群及数量与林木受病虫的危害程度有一定的相关性,即在危害严重的种植园中,天敌的数量也相对较多.利用天敌资源控制主要害虫应是可行的.更多还原

【Abstract】 Natural enemies of main pest insects of Carya illinoensis and Illicium verum were investigated at the main plantation regions of the two economic tree species in Yunnan.Twenty-five parasitoids and forty-five predatory natural enemies of the main pest insects of the two tree species were collected.Distribution features of these natural enemies were analyzed in the paper.The results provided basis data for utilizing natural enemies to control pest insects of the two economic tree species.更多还原