目前,稻纵卷叶螟绒茧蜂是寄生纵卷叶螟幼虫的优势种群,它突出的特点是发育历期短,世代数多,繁殖力强,寄主专化,搜寻力和攻击力强,寄生率高,而且主要寄生于低龄幼虫,能够在幼虫为害高峰前有效地控制为害,有较高的利用价值。问题在于,我们在防治 At present, the rice leaf roller Entomochaelos pallens is the dominant species of the larvae of the mesophyte larvae, its outstanding features are short developmental period, generational number, reproductive ability, specialized host, search power and attack power, Parasitic rate is high, and the main parasitism in young larvae, larvae can effectively control the damage before the peak, with high value. The problem is that we are controlling