通过对棉花红铃虫(Pectinophora gossypiella S.)卵的自然群体进行整片抽样调查及统计表明,第一代卵主要分布在棉株嫩头部位,第二代卵主要分布在棉株第三至十果枝的第一果节上,第三代卵主要分布在第八至十七果枝的第一果节及第八至十四果枝的第二果节上。上述各部位是田间调查的重要部位。 The whole population of Pectinophora gossypiella S. eggs was sampled and the statistics showed that the first generation eggs were mainly distributed in the tender head of cotton plants and the second generation eggs were mainly distributed in the third To fruiting branches of the first fruit section, the third generation of eggs are mainly distributed in the eighth to seventeen branches of the first section and eighth to fourteenth fruiting branches of the second fruit section. The above parts are important parts of the field investigation.