昆明地区梨树蚜虫及天敌数量动态研究  

Studies on the quantity dynamic of pear aphides and their natural enemy in Kunming region

作　　者：太一梅[1] 傅杨[1] 杨本立[2] 陈国华[2] 陶玫[2] 

机构地区：[1]云南省昆明市植保植检站,云南昆明650034 [2]云南农业大学植物保护学院,云南昆明650201

出　　处：《西南农业学报》2004年第3期337-339,共3页Southwest China Journal of Agricultural Sciences

摘　　要：2000年对昆明地区梨园进行了梨树蚜虫及天敌种类、数量动态调查,结果表明,危害梨树的蚜虫主要有梨二叉蚜、绣线菊蚜、桃蚜、梨大蚜和黄粉蚜。在梨树的整个生长季节内均有蚜虫危害,但5种蚜虫的发生危害时间具有明显的季节差异性。蚜虫天敌主要有:草蛉、小花蝽、食蚜蝇、瓢虫。天敌的发生与蚜虫密切相关,天敌与蚜虫有明显的时间和数量跟随关系。进行蚜虫的预测和防治时,要综合考虑蚜虫及天敌的数量动态因素。5 species of aphides (Schizaphis piricola Matsumura,Aphis citricola van der Goot,Myzus persicae Suler,Aphanostigma jakusuiensis Kishida,Pyrolachnus Pyri Buchton), 12 species of natural enemies of aphides (Chrysopa carnea Stephene,C.sinica Tjeder,C.septempunctata Wesmael,C. albolineata Killington, Orius minutus L., Scaeva pyrastri L., Syrphus serarius Wiedemann,S. corollae Fabr, Harmonia axyridis Pallsa,H. eucharis Mulsant, H. dimidiate Fab.,Coccinella septempunctata L.) were found among pear groves by investigations in Kunming Region of Yunnan.The relations with quantity dynamic between aphides and their natural enemies were preliminarily analyzed.Results showed that the relations between aphides and their natural enemies were rather close. The natural enemies kept up with aphides in quantity and time. The results provided guidance for forecast and IPM of aphides.

关 键 词：梨树蚜虫 天敌昆虫 数量动态 跟随关系 

分 类 号：S436.612.29[农业科学—农业昆虫与害虫防治]