据内蒙古、陕西、新疆等北方省(自治区)植保站监测,原为次要害虫的双斑长跗莹叶甲[Monolepta hieroglyphica(Motschulsky)]又称双圈莹叶甲、双斑莹叶甲近年在玉米、大豆、棉花及一些蔬菜等多种作物上为害程度明显上升。具为害作物种类多、发生面积大和虫口密度高等特点,对农作物生产造成较大威胁。 Monolepta hieroglyphica (Motschulsky), also known as double-ring Ying Ye Jia, was originally a secondary pest and was monitored by plant protection stations in the northern provinces (autonomous regions) of Inner Mongolia, Shaanxi and Xinjiang. In recent years, In corn, soybeans, cotton and some vegetables and other crops significantly increased the degree of harm. It is characterized by many kinds of crops, large area and high density of insect population, which pose a great threat to crop production.