The black widow spider is actually a large spider, the scientific name is the bulbous spider family, the genus Collaria, its venom is violently toxic, is one of the world-famous highly toxic spiders.
The female body of the black widow spider is the most common mouth spider in North America, black and shiny, with an hourglass shape on its back, and a more enchanting hourglass-shaped pattern, which is a prominent feature of the black widow spider.
Why is the Black Widow spider called Black Widow
This is because Black Widow, the name derives from the habit that females tend to eat males after mating.
How toxic is Black Widow
In fact, black widows usually live in urban residential areas and rural areas, and their toxicity is even stronger than that of rattlesnakes.
But its toxicity is not the strongest, ranking only fourth in the spider world. It is lined with funnel spiders, Brazilian roaming spiders, and six-eyed sand spiders.
The venom of the Black Widow spider promotes the release of the neurotransmitter acetylcholine.
Acetylcholine acts on muscles and can cause muscle contraction. In general, the toxins of black widow spiders pose a greater threat to children and the infirm.
Black widow spiders often go unnoticed when biting, and the wound is like a needle hole, so even if it is bitten, you may not notice it.
At first, you will usually notice only a slight swelling of the wound area and a dull and blurry mark.
However, after a few hours, the pain in the wound begins to intensify, and the wound shows signs of hardening.
Other symptoms of a bite include chills, fever, vomiting, and severe abdominal pain.
Is there any salvation after being bitten
Under normal circumstances, there is no danger to life after being bitten by Black Widow, because Black Widow secretes only 5% of the venom.
Don't look at the secretion of toxins is quite small, but the mortality rate is very high, with a fatality rate of 10%, and the brighter the color of Black Widow, the greater its toxicity.
Its venom can kill people within 6 hours.
It is understood that there have been many reports of poisoning in the world.
However, it is worth mentioning that the precise venom of spiders has great medicinal research value.
Because in human life, human neurological disorders or injuries are the root cause of many human diseases.
Because spider venom can also cause neurological disorders or damage, experts say that studying spider venom may play a decisive role in curing some mental diseases in humans.
At the same time, studying spider venom may also be a key to understanding human brain damage.
What to do if you are bitten
If the wound bitten by the Black Widow is on the arm or leg, a bandage can be tied above the wound to slow the spread of venom; If it is a physical wound, local ring closure can be treated. In the case of self-treatment, care should be taken not to tie the bandage too tightly so as not to affect blood circulation. When treating the wound, a cold compress can be applied to the wound.