苏铁小灰蝶是苏铁的主要害虫。近年来,随着园林城市、生态城市和农村城市化的建设和发展,苏铁已成为绿化、美化环境不可缺少品种之一。苏铁在丰台地区的栽培量逐年增加,苏铁小灰蝶的发生程度也逐年加重,个别花圃曾经出现当年新叶全被吃光的现象。为有效控制该虫的发生为害,笔者 Cycas small butterflies are the major pests of cycads. In recent years, with the construction and development of garden cities, eco-cities and rural urbanization, the CYT has become one of the indispensable varieties of greening and beautifying the environment. The cultivation of cycads in Fengtai area has been increasing year by year. The incidence of Cyclotella sibirica has also been increasing year by year. Some flowerbeds once appeared all the time when new leaves were eaten. In order to effectively control the occurrence of the pest, I