粟叶甲Oulema tristis(Herbst)又名谷子负泥虫,属鞘翅目叶甲科,在陕北主要为害谷子和糜子,偶而为害小麦、高粱、玉米。 该虫在延安地区一年发生一代,越冬成虫于5月下旬开始活动,6月中、下旬产卵于谷子、糜子叶背面,卵期 Oulema tristis (Herbst), also known as millet negative mildew, is a Coleoptera leaf branch, mainly in northern Shaanxi millet and millet, wheat, sorghum, corn, occasionally harm. The worm occurred in Yanan area a year, overwintering adult in late May began activities in mid-June, mid-late spawning in the millet, millet leaf back, egg period