地老虎是京郊春播作物的重要害虫,主要危害玉米、高粱、棉花、芝麻、豆类、蔬菜等多种作物的幼苗,造成缺苗断垄,甚至毁种。近年来,随着水浇地面积扩大,不仅过去低洼易涝的常发区严重发生,甚至粮棉套作的高岗水浇地也严重危害。芝麻苗期由于地老虎的危害,常造成毁种,以致有些生产队不愿再种芝麻。为确保粮棉油丰收,四年来,以地老虎 To the suburbs of Beijing suburbs of spring crops important pests, the main harm to corn, sorghum, cotton, sesame, beans, vegetables and other crops seedlings, resulting in lack of seedlings broken ridge, or even destroyed species. In recent years, with the expansion of irrigated land, not only the frequent floodplain-prone areas in the past have been seriously affected, Sesame seedlings due to the dangers of the tiger, often resulting in destroyed species, so that some production teams do not want to sesame seed. In order to ensure grain and oil harvest, four years to land tiger