Synergistic insecticide composition containing malathion and application thereof

The invention discloses an insecticidal composition containing malathion, which comprises an effective component A and an effective component B. The effective component A is malathion, and the effective component B is nitenpyram or acetamiprid. The weight ratio of the effective component A to the effective component B in the insecticidal composition is (30: 1)-(1: 30), the effective components of the insecticidal composition have a certain synergistic effect in the range, the use amount of the pesticide active components can be reduced, and meanwhile, the insecticidal composition can delay generation of drug resistance. 本发明公开了一种含马拉硫磷的杀虫组合物，包括有效成分A和有效成分B，有效成分A为马拉硫磷，有效成分B为烯啶虫胺或啶虫脒。本发明的杀虫组合物中有效成分A和有效成分B的重量比为30:1-1:30，所述杀虫组合物有效成分在上述范围内有一定的增效作用，可以减少农药活性成分使用量，同时，本发明的杀虫组合物还可以延缓抗药性的产生。