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根据当地自然生态条件，调查并掌握影响半干旱地区冬小麦生产的主要害虫种类及其发生为害特点，明确小麦一生需经2～3次化防，主要是小麦播种前种子处理和小麦穗期一次性喷药。制定出适合于本区的冬小麦害虫综合防治体系。
According to the local natural ecological conditions, investigate and master the main pests affecting the winter wheat production in the semi-arid areas and the characteristics of their occurrence and damage. It is clear that the wheat needs 2 or 3 times of chemical defense in the whole life, mainly the seed treatment before wheat sowing and the one-time Spraying. Develop a comprehensive winter wheat pest control system suitable for this area.