大豆造桥虫(豆尺蠖)症状:以幼虫咬食豆叶,可将叶片吃成洞或缺刻,甚至吃光叶片,引起落花落荚。防治措施:(1)农业防治:冬耕田地,减少虫源;在成虫羽化初期,采用黑光灯或糖醋盆诱杀成虫;结合农事操作,摘除卵块以及新筛网状被害叶,带出田外深埋;利用幼虫的假死性,摇动豆株,使幼虫掉到地上集中消灭;及时清除杂草和田间落叶,消灭部分越冬蛹;保护和利用小造桥虫绒茧蜂、青翅 Soybean bridge insect (bean 蠖 蠖) Symptoms: larvae eat beans, leaves can be eaten holes or nick, or even eat leaves, causing falling falling pods. Prevention and control measures: (1) Agricultural control: winter plowing, reduce the source of insects; early adult emergence, the use of black light or sweet and sour pot trapping adult; combined with agricultural operations, removal of egg blocks and new mesh victim leaves, out of the field Deep-buried; the use of larvae of the dead fish, shake bean plants, the larvae fell to the ground to eliminate; timely removal of weeds and field leaves, eliminate some wintering pupae;