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1．麦蚜小麦上蚜虫为百穗蚜量500头左右时用50％的抗蚜威可湿性粉剂15OO～2000倍液防治，或用40％氧化乐果乳油2000倍液防治。从保护天敌的角度来看。用抗蚜威最为理想。2棉蚜1～3叶期和4～6叶期卷叶率12％和ZO％时，用40％久效磷乳油150O倍喷雾或Ic倍原液涂茎；或用20％灭多威
1. Wheat aphid wheat aphids for the first hundred spikes amount of 500 or so when the use of 50% of the anti-pimple agent WP 15OO ~ 2000 times prevention or control with 40% omethoate 2000 times the liquid control. From the point of view of protecting natural enemies. Use pirimicarb is the most ideal. 2 cotton aphid 1 to 3 leaf stage and 4 to 6 leaf volume 12% and ZO%, with 40% monocrotophos 150O times spray or Ic times the original liquid to the stem; or 20% methomyl