Pesticide composition and application thereof

The invention relates to the technical field of pesticides, and discloses a pesticide composition and an application thereof. The pesticide composition disclosed by the invention is prepared from guadipyr and prothioconazole. The effective active ingredients of the pesticide composition disclosed by the invention, namely the guadipyr and the prothioconazole, show a very good complementary effect in a specific range; the insecticidal composition has multiple action targets, can treat both insect pests and diseases, has an obvious synergistic effect, has a field control effect obviously higher than that of a single agent, can reduce the application frequency, and can effectively reduce the application cost of crop pest control. Meanwhile, the pesticide composition is low in resistance risk,good in crop safety and low in toxicity to beneficial organisms such as bees, can be used as an ideal substitute for neonicotinoid insecticides with high toxicity to bees, and provides a new choice for treatment of pest and d