玉米是山西省临猗县的主要农作物之一,玉米病虫害的发生程度直接影响玉米的安全生产。玉米螟,又称玉米钻心虫、箭杆虫,属鳞翅目,螟蛾科,是一种为害性较大的世界性玉米害虫,在我国主要以亚洲玉米螟为害为主,常造成玉米品质下降和严重减产。玉米螟是本县玉米病虫害中发生面积最大、防治最难、为害损失最重的害虫,一般发生年份减产10%左右,严重发生年份减产30%以上,特别是近几年来玉米螟在本县的发生为害呈逐年上升趋势。为 Maize is one of the main crops in Lintao County of Shanxi Province. The occurrence of maize pests and diseases directly affects the safety of maize production. Corn borer, also known as corn borer worm, arrow rod worms, is a Lepidoptera, Pyralidae, is a more damaging worldwide corn pests, mainly in Asia, the Asian corn borer damage, often resulting in corn quality Decline and serious cuts. Corn borer is the largest corn pest occurrence area in the county, the most difficult to control, the most harmful pests damage, the general occurrence of about 10% reduction in production, a serious annual occurrence of more than 30% reduction, especially in recent years, corn borer in the county’s The incidence of harm is increasing year by year. for