[目的]对棉花上扶桑绵粉蚧各虫态体长、体宽与形态特征进行研究。[方法]在实验室条件下,以棉花喂养扶桑绵粉蚧,测量记录各虫态的体长、体宽。[结果]获得了各虫态体长、体宽的详细数据,并掌握了各虫态的主要形态特征。[结论]该研究为判别该虫虫态提供了依据。 [Objective] The research aimed to study the body length, body width and morphological characteristics of various insects on cotton mulberry mealybugs. [Method] Under laboratory conditions, Fusarium mealybugs were fed on cotton and body length and body width were measured and recorded. [Result] The detailed data of body length and body width of each insect body were obtained, and the main morphological characteristics of each insect body were obtained. [Conclusion] The study provided the basis for judging the insect status.