应用本地寄生蜂防治松突圆蚧试验

Preliminary study of Hemiberlesia pitysophila Ttakagi control by local parasitoid in Zhaoqing

2006-2011年肇庆市德庆县应用本地寄生蜂对松突圆蚧(HemiberlesiapitysophilaTakagi)进行林间防治试验。应用友恩蚜小蜂(Encarsia amicula)、黄蚜小蜂(Aphytis sp.)等本地寄生蜂防控松突圆蚧,对被害马尾松林进行防治,放蜂防治面积9 107 hm^2。放蜂1年效果调查统计,友恩蚜小蜂和黄蚜小蜂最高收蜂量可达130头/kg,放蜂平均定居率(防治效果)为91.12%。本地寄生蜂防治松突圆蚧效果好,适应力强,有持续控灾作用,是松突圆蚧花角蚜小蜂(Coccobius azumai Tachikawa)的重要替代蜂种。

This paper dealed with the control effects of local parasitoid （Encarsia amicula and Aphytis sp.）on Hemiberlesia pitysophila Ttakagi in Pinus massoniana forest during 2006--2011 in Deqing county of Zhaoqing City, the area of pest control was 9 107 hm^2. The results showed that the highest amount of Encarsia amicula and Aphytis sp.were 130 number/kg, the effect of control was 91.12% o It indecated that local parasitoid had remarkable and continuous control effect on Hemiberlesia pitysophila Ttakagi, and had continuous control, and was an imoortant substitutes to Coccobius azumai Tachikawa.