永年县是邯郸的重点韭菜生产基地。近年来，随着各类保护地韭菜生产的发展，韭蛆等韭菜根部害虫发生危害逐年加重，并已成为生产中急待解决的问题。为了进一步摸清县内保护地韭菜根部韭蛆等害虫发生的种类、数量、危害情况，１９９８～２０００年邯郸市农业局技术站组织技术部? Yongnian County is the focus of Handan leek production base. In recent years, with the development of leek production in various protected areas, the occurrence of root pests such as leek maggot has been increasing year by year, and has become an urgent problem in production. In order to further ascertain the species, quantity and damage of pests, such as leek maggot in the protected leek root in the county, from 1998 to 2000, Handan City Bureau of Agriculture Organization Station Technology Department?