黑角负泥虫是为害我区春小麦的主要害虫之一。成虫和幼虫都可为害小麦，可使小麦叶片失绿，扭曲，甚至干枯，植株生长发育受阻，一般产量降低５％～１０％，严重时可减产３０％以上。１ 为害特性 黑角负泥虫在我区主要为害小麦、大麦、燕麦和多种禾本科杂草。成虫取食叶片的上 Black horn negative mud insect is one of the main pests that damage our area of ​​spring wheat. Both adult and larvae can harm wheat, which can make the wheat leaves lose their green, twist and even dryness, and the growth and development of the plants are hindered. The general yield is reduced by 5% -10% and the yield can be reduced by more than 30% in severe cases. 1 damage characteristics Polar pest negative insect pests in our area mainly wheat, barley, oats and a variety of grass weeds. Adult feeding on the leaves