随着向日葵栽培面积的逐年扩大,向日葵的害虫不断加重,而且种类也在增多,其中草地螟(Loxostege sticticalis L.)就是危害向日葵的主要害虫之一,有的年份可造成向日葵毁灭性的灾害。八十年代以来,草地螟在我区对向日葵的危害,为历史所罕见。如1982年全区向日葵遭受草地螟危害达148万余亩,危害严重的地块,葵盘被咬掉造成颗粒无收。 As the area of ​​sunflower cultivation expands each year, pests of sunflower are increasing and the species is also increasing. Among them, the grasshopper (Loxostege sticticalis L.) is one of the major pests that endanger sunflower. Some years can cause devastating sunflowers. Since the eighties, grasshopper in our region on the dangers of sunflowers, rare in history. Such as the 1982 sunflower by the grasshopper hazard of more than 148 acres, the serious damage to the land, sunflower disc was bite off caused by particles.