How do spiders attack humans and do spiders attack sleeping people?

The vast majority of spiders are very vigilant and avoid contact with humans, or keep a distance from humans, and only a small percentage of spiders will approach humans or climb onto human bodies when they do not feel any threat. If a spider accidentally encounters a human, or if it startles a human when it crawls on a human, it will choose to run away first, and in rare cases, bite first. Only the Australian funnel web spider will raise its first two or four feet as a warning that it will attack a human if it continues to get closer.

So far, scientists.

There have been no cases of spiders actively attacking humans, including common spider species in our lives, such as jumping spiders and house ghost spiders.

Big Wood Spider and so on.

Living with spiders:

We don't have to be afraid of spiders, and when you stumble upon a spider hiding in a corner, you can choose to ignore it. If you want to get rid of the spider, you can do a good job of protecting it first, and then slowly and gently take it out of the house with a stick or bottle. If a jumping spider or house spider crawls on you, don't panic, just gently remove them slowly with a book or other object.

For a very small number of poisonous spiders, such as black widows, hermit spiders, etc., it is necessary to help professionals deal with them.

In fact, the vast majority of spiders feed on insects or other species of spiders, and they are good helpers to kill mosquitoes, if not poisonous spiders.

It is better to give them a chance to survive in their own homes, which is beneficial and harmless.

In case of being bitten by a spider, the most convenient and effective way is to cauterize the wound with a match or cigarette butt to destroy its toxins with high temperatures. However, this must be done within 1 to 2 minutes of the bite before the toxin has spread. In addition, there are several ways to provide first aid:

1. Mash ginger and apply it to the wound, or wash the wound with potassium permanganate solution, which can relieve and disappear the symptoms.

2. Wipe the wound and red and swollen parts with cooked tobacco, and in severe cases, use a few grams of cooked tobacco or another 10 grams of realgar, 15 grams of Qingdai, and plum chips, and gargle with warm water.

3. Use 250 grams of traditional Chinese medicine Qinjiang and decoction water as tea frequently.

4. Intravenous injection of 10% procaine hydrochloride (novocaine) 10 ml, 10% 25% magnesium sulfate 10 20 ml, 10% calcium gluconate 10 ml.

5. Patients with severe symptoms or shock. Epinephrine 1 mg may be given intravenously or subcutaneously.

<> spiders can be killed. Folk legends, such as the discovery of spiders at home, indicate that the happy event is approaching, should be carefully invited out, not killed, but this is only a superstitious statement, not credible. Although spiders can kill mosquitoes and flies in the house.

Moths and other pests, but some spiders are poisonous, and the vast majority of people cannot distinguish between them, so it is necessary to clean them up for safety.

According to the literature, there are 3,821 genera and 42,055 species of spiders in the world (2010), and about 3,800 species in China, belonging to 67 families. There are a total of 14 orders in the Arachnida, 5 of which have been extinct, and 7 orders have been discovered in China.

Spiders feed on insects, other spiders, myriapods, and some spiders also feed on small animals. Jumping spiders.

Good eyesight, can dive within 30 cm to catch prey, pounce on it. Crab spiders.

Wait for prey on flowers of similar body color. Spiders burrowing in the earth build burrows lined with silk, and the entrance of the burrow has a trap that opens at night to prey on insects that pass through the hole. funnel spiders weave funnel webs, and insects fall into the nets to cause vibration; The spider itself resides in a filament tube with a narrow end that leads into a plant or a crevice in a rock.

Spiders usually do not actively attack humans. Most spiders tend to avoid humans or only act defensively when they feel threatened. They do bite, but this is usually done in self-defense or to hunt for prey.

Spider bites usually do not have serious consequences for humans, and most of the spider's venom has less of an impact on humans. However, a few spider bites may cause symptoms such as pain, itching, swelling, and erythema, and in rare cases, cause allergic reactions or infections.

To avoid contact with spiders, you can take the following precautions:

1.Keep your home clean and tidy to minimise the habitat and breeding environment for spiders.

2.Seal the entrance, repair the gap between the house and the outside, and prevent spiders from entering the room.

3.When outdoors, try to wear long-sleeved clothing, long pants and boots to reduce the chance of contact with spiders.

4.Pay attention to the living area, especially the area commonly used by children, and remove the cobwebs in time.

If you are bitten by a spider, it is advisable to seek medical attention promptly, especially for people who are experiencing severe allergic reactions or other uncomfortable symptoms.