1, Chili water. Take a proper amount of pepper and add water, and cook for about 30 minutes. Then the water is cooled and filtered, which can kill spiders quickly.
2, detergent. Even the shampoo is mixed with water at the ratio of 10: 1, put into a hand-held sprayer for spraying flowers and plants, and sprayed on spiders. They should fall off the wall and die in 15-60 seconds.
You can buy some pesticides and spray them when there are many spiders at home.
Spiders don't like realgar very much. You can put some realgar in places where spiders often appear or make webs, so that spiders will not settle in your home.
5, mosquito repellent incense. Mosquito-repellent incense can kill not only mosquitoes but also spiders. If the index often appears in your room, light some mosquito-repellent incense and spiders will not appear.
Clean the house where you live often, about once a month, so that there will be fewer spiders over time. Try not to plant so many flowers and trees around your home. Although those things can purify the air, they will also attract many insects.
Extended data
The benefits that spiders bring to mankind.
Spiders are both beneficial and harmful to human beings, but as far as their contribution is concerned, they are mainly beneficial insects. For example, in farmland, spiders prey on pests of crops. At the same time, spiders are recorded in many Chinese medicines, so it is of great significance to protect and utilize spiders.
In particular, the protection of spiders in rice fields has three advantages: first, it can effectively stabilize the balance of biological populations; Secondly, reduce the residue of chemical pesticides in rice to ensure the safety of people and animals; Third, reducing production costs can increase production and income. Therefore, in the prevention and control of crop diseases and insect pests, it is advocated to use high-efficiency and low-toxicity pesticides to carry out biological control and protect natural enemies.
There are many kinds of spiders, which are widely distributed and adaptable. They can live on the soil surface, soil, trees, grasslands, rocks, caves, watersides, low-lying areas, bushes, mosses, houses or make webs, or inhabit fresh water (such as water spiders) and coastal lakes (such as lake spiders). In short, there are traces of spiders in water, land and air.
It is the natural enemy of cockroaches, and it is more effective than some cockroach killing drugs at home.
References:
Baidu encyclopedia-spider