介绍了二点委夜蛾与黄地老虎、小地老虎在形态特征方面的区别,以及二点委夜蛾的为害症状类型,在河北的发生为害情况及其发生规律与为害特点,提出了防控关键技术。 This article introduced the differences between morphological characteristics and the morphological characteristics of the yellow moth, the yellow tiger and the small tiger tiger, as well as the type of the damage symptom of the second instar larvae, the occurrence of pests in Hebei and its occurrence and damage characteristics Control key technologies.