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麦蚜是小麦的主要害虫,也是传播小麦黄矮病的重要传毒介体,因此常给春小麦产量造成很大损失。 据调查,张家口春麦区蚜虫种类有麦长管蚜、麦二叉蚜、无网长管蚜和禾缢管蚜。其中麦长管蚜占发生总量的98.29％,麦二叉蚜、无网长管蚜、禾缢管蚜发生量极少,分加别占发生总量的0.59％、1.03％和0.09％。麦长管蚜无论在水地、滩地、旱地和旱坡地均有发生,且数量多,为害时间长;而麦二叉蚜、无网长管蚜和禾缢管蚜只在水地或滩地麦田
Wheat aphid is a major pest of wheat and is also an important mediator of the spread of wheat yellow dwarf virus, therefore often causing a great loss of spring wheat yield. According to the survey, the spring wheat aphid species Zhangjiakou wheat aphid, wheat aphids, no net long aphids and Wo Aphis. The wheat aphid accounted for 98.29% of the total occurrence, wheat aphid, no net long aphid, Aphis gossypii occurred in very small amount, plus do not account for the occurrence of the total amount of 0.59%, 1.03% and 0.09%. Aphis gossypii occurred both in water area, beach land, dry land and dry land, and had a long time to kill. However, the wheat aphid,