苦豆子Sophora alopecaroides广泛分布于我省的的榆林沙区,耐干旱,抗盐碱,是一种优良的绿肥植物,在半固定沙地还具备一定的防风固沙效能。1986年定边县长茂滩一带该种植物受仿爱夜蛾Apopestes spectrum Esper严重为害,以后又连年成灾,受害植株叶尽枝枯,形似火烧。有时在柠条、牛心朴等沙生植物 Sophora alopecaroides is widely distributed in the Yulin Sandy Area in our province. It is a good green manure that is resistant to drought and salt. It also has some windbreak and sand fixation effects in semi-fixed sand. In 1986, Dingbian County Maoban area of ​​the plant by the Spider-Moth Apopestes spectrum Esper serious damage, and then successive years of disaster, the victim plant leaves do withered, shaped like a fire. Sometimes in Caragana, cattle heart Park sand plants