Spider Black Widow - where it lives, what looks like, what is the danger, interesting facts

One of the most famous spiders in the world is Latrodectus Mactans. The people call it a black widow.

This article will talk in detail about where the spiders live, and what are dangerous to humans. It will also be described how to protect yourself from a bite, and how to be treated correctly.

Where does the Black Widow spider live?

• Spider Black Widow can be found in Russia. But, he lives more in the warm regions (Astrakhan, Kalmykia and the Azov). According to statistics, dangerous spiders bit people in the Orenburg, Saratov and Kurgan region. In 2019, many cases of bites in the suburbs appeared.
• Spider often occurs in Russia Latrodectus Tredecimguttatus, Which is one of the varieties of the black widow. Its poison contains only 0.59 mg/kg of neurotoxin LD 50.
• And the spider Latrodectus Mactans The amount of this substance reaches 0.9 mg/kg. That is why Russian spiders are less dangerous for humans.

Deadly spiders live in the hot regions of North America. In the past few years, they began to be noticed even in the territory of the Crimea and the Moscow Region. Scientists are convinced that this is due to climate changes around the world.

What does the Black Widow Spider look like?

• Females and males differ among themselves in the dimensions of the body. The female spiders reach a length of 8-13 mm, and the weight is not more than 1 g. Females are characterized by a more rounded shape of the body. Color - saturated black, with glossy shine. You can see red spots on the back. They are represented in the form of a sand clock.
• The body of the male is not large. Only 4-6 mm. It has elongated form. On the sides of the belly are white and red stripes. If the male is young, his body will be white. As it grows up, it acquires an orange, brown and black hue.
• The females have a black widow spider 8 eyes. They are located equally, in two horizontal rows.

How does the Black Widow propagate?

• After mating, the female eats the male. She the cocoon weaves where the layered eggs are placed. Most often, such cocoons are found in the shade (next to a stone falling wood or in the ground). The female does not go far from the masonry, and is always on guard. If you saw a white cocoon, do not touch it with your hands. After all, it was then that the spider Black Widow can bite.
• After 3 weeks, small spiders appear. They are characterized by white color. The female does not think that she needs to feed offspring. Therefore, small spiders eat each other and only strong individuals are selected from the cocoon.

Black widow's bite and spider

• The first spiders of the Black Widow do not attack. They attack an animal or person for a purpose self -defense. At the first bite, it introduces a small amount of toxic substance, which does not lead to death. If the spider bites a child or an elderly person, then the danger of death increases. After all, their immune system is not so strong, and may not cope with the poison.
• Black widow's bite Not painful. A person does not immediately understand what happened. Already after a time when well -being worsens, possible reasons will be searched.

Symptoms of a bite of a black widow

If a black widow’s spider bit you, you will not immediately feel it. The first symptoms appear after a while.

Symptoms:

• burning
• breast and lower back pain
• lomota in the abdominal cavity
• dizziness
• frequent heartbeat
• the tremor of the limbs
• weakness, nausea and vomiting
• nervous exhaustion
• difficult breathing

• If you do not consult a doctor during the first hours after a bite, there is a large probability of death.
• A few days later, a person begins to experience pain in the whole body.
• On the third day, the patient develops hypertension, hoarseness and increased sweating.
• The temperature rises on the fourth day.
• A complete recovery, if you consult a doctor in time, is observed 5-7 days after a bite.
• In severe form, you can notice the cramps of the body, loss of memory and paralysis of nerves.
• Such symptoms disappear on 8-9 days after the bite.

Antidote from the black widow

To cure the patient, doctors use several methods:

• dropper with calcium gluconate;
• musorelaxants.

If the patient is in serious condition, and he cannot be transported to the hospital, doctors prepare a special serum. The danger of such a treatment is that it cannot be used on children and adolescents (up to 16 years old). There is a great probability of allergies to serum, so it is administered only under the supervision of a doctor. Experts advise if you have a black widow’s spider, take the arthropod with you (put it in a closing container or a jar). So it will be easier for doctors to prepare an antidote and cure you.

What to do if a black widow bites?

• Some people try squeeze the poisonous substance. For this, the bite is compressed to form a fold. After strongly press on this place. The liquid of a bloody shade should leak. It is removed with a clean cloth or rag.
• Carry out the procedure at least 5-7 times, To maximize the hazardous substance. After the affected area, treat the antiseptic, and impose a bandage. If you notice that you were bitten by the Black Widow Spider, you first need take the place of the bite. Attach the match head to the affected area of \u200b\u200bthe body, struggle with a box and set fire to another match.
• You can also use metal objects. Eating a fork, spoon, knife or keys on the fire. Attach them immediately to the affected area. But, this treatment method is suitable for those cases if the poison has not managed to spread throughout the body, and be on the surface.
• It doesn’t matter if you carried out the above methods or not. You must definitely consult a doctor. If you live in a region where dangerous spiders live, treatment will pass quickly and effectively. Indeed, in medical institutions there is already a serum that the patient needs to be introduced into Vienna.
• If a person experiences severe bite pain, he will help him "Novokain" or a little alcohol. So that the poison gets out of the body faster, drink more liquids.

How not to become a victim of a spider Black Widow?

If you like to go on a hike with an overnight stay, choose the right place to stop. Do not stay for the night in the place where there are a lot of grass and bushes. The territory of a private house from the spider Black Widow and other arthropods can be treated with insecticide - “creosol”.

If you relax in nature, adhere to the following recommendations:

• carry out all the work in the garden only in the correct protection. Put on gloves, closed shoes and clothes with long sleeves;
• do not go barefoot near the reservoir;
• stay away from dry grass.

Interesting facts about the spider Black Widow

There are several interesting factor associated with dangerous spiders:

1. The first antidote from the bite of the Black Widow was invented only in 2015.
2. It is females that carry great danger to humans. They contain a large gland with poison. In males she is smaller.
3. Scientist A. Blair will consciously allow the spider to bite himself in order to prove to the public that it is life -threatening.
4. The blood of the spider Black Widow has a bluish tint. This is due to the fact that it contains iron ions.

So, now you know that the spider Black Widow is one of the most dangerous varieties. The poison is able not only to provoke paralysis, but also to lead to death. Therefore, you need to immediately consult a doctor. Try to stay away from high grass, because it is there that dangerous individuals live. Take care of yourself.

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Video: Life Spider Black Widow