Gastric poisoning: the agent enters the body of the pest through its mouthparts and digestive system, causing the pest to die of poisoning.

Representative agent type - poisoned bait.

Contact killing: After the pests come into contact with the agent, the agent enters into the insect body through the epidermis of the insect body, so that the pests are poisoned and die. Representative agent type - suspension, microemulsion, emulsion.

Endosorption: the agent is absorbed by the host and distributed in its body fluids, and the pests are poisoned to death by feeding on the host's body fluids.

Fumigation: The agent in the form of gas or aerosol enters into the body of the pest through the pest's valve, causing the pest to die of poisoning. Representative agents: mosquito coils, electro-mosquito liquids, aerosols.