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遵照毛主席关于同病虫害作斗争的伟大教导,为寻求本地防治棉蚜的新方法,在学习了河南安阳以瓢虫治蚜的经验基础上,对瓢虫的生物学特性、种类分布、繁殖利用作了初步摸索。一、瓢虫的种类与分布概况: 为了充分利用瓢虫资源,对瓢虫的种类分布及自然变动情况进行了初步调查,据调查麻城县分布在麦田、棉田、树木上的瓢虫主要有七星瓢虫、黾纹瓢虫、异色瓢虫(有5种变种
In line with Chairman Mao’s great teaching on the fight against pests and diseases, in order to seek a new method of local prevention and control of cotton aphid, on the basis of the experience of using ladybugs to cure aphids in Anyang, Henan Province, the biological characteristics, species distribution, Made a preliminary exploration. First, the ladybug species and distribution Overview: In order to make full use of ladybugs resources, the ladybugs of species distribution and natural changes in the preliminary investigation, according to survey Macheng distribution in wheat fields, cotton fields, trees ladybug there are mainly seven stars Ladybug, Bugskin Ladybug, Harmonia axyridis (5 variants)