Why do today s cockroaches die after being sprayed so many times by insecticidal spray?

There are four main reasons:

Clause. First, the use method is wrong, not in strict accordance with the instructions, resulting in unsatisfactory results.

Recommendation: Use strictly according to the instructions of the insecticide to ensure the effect.

Clause. Second, when spraying insecticides, some cockroaches hide very deeply, and the sprayed insecticides fail to float into the hiding place of the cockroaches, resulting in the inability to kill all the cockroaches in the house.

Recommendation: Use insecticides again to kill cockroaches.

It is best to use it in the evening, when the cockroaches start to come out and move.

Clause. 3. After spraying the insecticide, new cockroaches come in, or old cockroach eggs.

The sheath hatched new baby cockroaches.

Suggestion: Use insecticides again to get rid of the new cockroaches.

Clause. Fourth, the use rate of pesticides is too high, resulting in cockroaches developing resistance to them.

Insecticides are no longer able to kill cockroaches, and even cockroaches have turned to insecticides as bathwater.

Suggestion: Change to another cockroach medicine.

Try it, for example, using cockroach glue bait to get rid of cockroaches.

It takes a time for insects to be poisoned from exposure to drugs. Moreover, there is a grease layer on the surface of cockroaches, which will affect the absorption of pesticides. So it's not going to die as soon as you spray it.

Because it can evolve now, it's also evolving because of the environment to get other influences.

Under normal circumstances, as long as the effective medicine can be killed, but the killing is not complete, becauseCockroachesIt will run around, aerosol insecticides will die when sprayed, there is no contagion, there will be a lot of leaks after a period of time without spraying, so it gives people the feeling of not killing, and now it is common to use infectious cockroach bait, such as magic cockroach bait, thick cockroach bait, Yunjie cockroach bait and so on.

How to use spraying? Or is it a medicinal powder?

Cockroaches are a common insect in our lives, and they are also disgusting and disgusting insectsThey often live in dark and damp places, such as the bathroom and kitchen, where they are most likely to grow. The appearance of cockroaches in the house is very annoying, and it needs to be killed in time, and the breeding rate of cockroaches is very fast.

Insecticides are the most common method we use to get rid of cockroaches, and it is also a very fast and effective method, but insecticides cannot kill cockroaches immediately, after all, the effect of the drug needs to be present to take effect. Therefore, it is not common to wait for ten minutes for the insecticide to completely kill the cockroaches.

In life, want to kill cockroaches quickly. First of all, you can shoot it to death. Seeing cockroaches directly to death is the fastest and most effective way, and cockroaches will die immediately, but this method cannot kill cockroaches**, and it is not very daring for female friends; Secondly, you can use boiling water to scald to death.

1. Shoot directly to death.

2. Use boiling water to scald to death.

3. Use pets to kill cockroaches.