在小麦害虫中,麦蚜是对小麦造成双重危害的一类害虫。其一,麦蚜常聚集在叶片、茎秆、穗部危害,影响小麦的生长发育,直接造成减产。其二,能传播大麦黄矮病毒(BYDV),导致小麦黄矮病的发生和流行,间接造成小麦的减产。自七十年代以来,随着耕作制度的改变和生产水平的提 Among wheat pests, wheat aphids are a group of pests that cause double damage to wheat. First, wheat aphids often gather in the leaves, stems, ear damage, affecting the growth and development of wheat, a direct result of reduced production. Second, the spread of barley yellow dwarf virus (BYDV), leading to the occurrence and prevalence of wheat yellow dwarf disease, indirectly reduce wheat yield. Since the 1970s, with the change of farming system and the mention of production level