稀点雪灯蛾Spilosoma wrticae(Esper)属鳞翅目,灯蛾科。是杂食性害虫,为害玉米、大豆、绿豆、棉花、甘薯、蓖麻、芝麻、向日葵、小麦、高梁、谷、黍、白菜、甜椒、茄子、西红柿、桃、李、柳、榆、泡桐、紫穗槐等。近年来,为害麦田套播玉米幼苗日趋严重,可将玉米幼苗茎叶全部吃光。保定地区1981年发生9.1万亩,1982年发生17.3万亩,1983年发生39.4万亩,1984年发生118.2万亩。轻者造成缺苗断垄,重者大面积毁种。我们经过3年室内 Spodoptera snow moths Spilosoma wrticae (Esper) is a Lepidoptera, moth family. Is omnivorous pests that harm corn, soybean, mung bean, cotton, sweet potato, castor, sesame, sunflower, wheat, sorghum, corn, millet, cabbage, sweet pepper, eggplant, tomato, peach, Amorpha fruticosa and so on. In recent years, wheat seedlings planted over deteriorating corn increasingly serious, can all eaten corn seedling stems and leaves. 91,000 mu occurred in 1981 in Baoding, 173,000 mu in 1982, 394,000 mu in 1983 and 1,182,000 mu in 1984. Lack of Miao caused by the light off the ridge, severe heavy devastating species. We passed indoor for 3 years