Can pyrethrins kill centipedes?

Pyrethroids can kill centipedes. Pyrethroids are a kind of broad-spectrum insecticides, which can control many kinds of pests. Their insecticidal toxicity is 10 ~ 100 times higher than that of the older generation insecticides such as organochlorine, organophosphorus and carbamate. Pyrethroids have strong contact killing effect on insects, and some varieties have both stomach toxicity and fumigation effect, but they have no systemic effect. Its mechanism of action is to disturb the normal physiology of insect nerves and make them die from excitement, spasm to paralysis. Pyrethroids have low dosage and concentration, are safe for people and animals, and have little environmental pollution.

The method of killing centipede is as follows:

1, buy pyrethrins (which may be sold in pharmacies), sprinkle some in places where centipedes often appear, and sprinkle some at the entrance of sewers to kill centipedes.

2. Buy insecticidal tablets and tighten them; Realgar and wine spilled into the sewer.

3. Make the environment as dry as possible.

4. Raise a rooster to catch centipedes. Cock is the natural enemy of centipede.

5. Remove climbing plants and other plants outside the window. 6. Sprinkle lime powder on doors and windows and other places where centipedes may climb in, because centipedes like wet environment.

7. Smoke the house with wormwood.

8. There are two drugs that are effective against centipedes. Spray the diluted solution of realgar water or dichlorvos on the floor and corner of the house and seal it for at least half a day. It is said that the effect is good.