Which insecticide is effective for controlling the rice stem maggot?

The rice stem maggot has broken out and caused disasters in most rice-growing areas in China in recent years, making it a serious pest. At present, an insecticide for controlling pests such as the rice stem maggot has been successfully invented. The purpose of this invention is to provide a highly effective and low-toxicity insecticide specifically for controlling the rice stem maggot pest. The insecticide of this invention is prepared by mixing two agents, fipronil and imidacloprid, in a weight ratio of (1:0.1) to (0.1:1), and can be made into various formulations such as seed coating agents, seed dressing agents, suspension concentrates, powders, and emulsifiable concentrates. The advantages are: it has a high insecticidal effect on the rice stem maggot, and tests show an average effect of 87.5%; application of the pesticide causes no toxic harm to humans, livestock, rice fields, beneficial insects, or aquatic organisms such as fish, and causes no environmental pollution.