Big troubles from meeting with a small karakurt
The reputation of karakurt spiders in the human world is ominous. Firstly, they are called European black widows. And secondly, looking at photo karakurt, some very impressionable persons see a secret sign that the spider's body is decorated with thirteen red marks.
Portrait of a Black Widow
In fact, this arthropod does not look completely menacing. It’s worth mentioning right away that females and males are very different in appearance. The male is significantly inferior to the female in size.
With every next molt karakurt growing up. For life, the male molts 7 times, and the female is 2 times more. Adult females grow up to 2 cm, unlike males, the largest of which are no more than 7 mm. There are very small ones - 4 mm.
The newborn spider is transparent, but after a few days, after the first molt, the abdomen darkens. And on its upper part, nine white dots appear, located 3 in a row. The bottom of the abdomen is decorated with a pattern in the form of red with a yellow rim of an hourglass.
With each subsequent molt, the pattern on the body also changes. These changes are most clearly seen when you compare how it develops. spider karakurt photo. There is a certain aesthetics in this figure.
Link frequency depends on how well spider karakurt eats. With sufficient nutrition, spiders mature very quickly. Adult males have a bright color, which does not fade over time.
But the females on the upper part of the abdomen have barely visible white lines on a black, sometimes lacquered, background. The hourglass on the bottom of the abdomen is shining with a bright mark.
And, finally, after the seventh molt, the male of karakurt ceases to eat, and, driven by the instinct of procreation, goes off in search of the female. Having found the bride’s web, he carefully touches the signal threads, announcing his arrival. This is necessary so that the female does not confuse him with prey, and does not eat ahead of time.
However, after mating, his fate is still a foregone conclusion. That is why such spiders are called black widows. Not all spiders are so merciless, but even those males who managed to survive, soon completely lose interest in food, and die of hunger.
Where can I find karakurt?
Speaking of the area where he lives karakurt wikipedia notes that traditionally these are hot regions with an arid climate, such as the desert zone of Kazakhstan, Crimea or the south of Russia.
However, recently, in large quantities found Karakurt in the Rostov region and in the suburbs. Such spiders look especially exotic in Altai and in the Novosibirsk region.
True, in these regions, karakurts do not survive low winter temperatures. In non-typical arthropod habitats, education is underway. Specialists with the help of the media inform the population what a spider looks like karakurt. Video and leaflets are used as visual aids.
For living, these spiders choose abandoned burrows of small rodents, or dry ditches. They can also be located in the crevice of the clay wall. Climatic changes force spiders to change their homes.
Sometimes, due to this, specialists register invasion of karakurt. Spiders do not live in dense grass due to high humidity, but the naked desert scorched by the sun is also not for them. The most comfortable these arthropods feel in sparse thickets of wormwood.
The female’s house is spacious, and is formed from a dense web pattern. Males weave less intricate, and not so dense networks. Should I be afraid of meeting with karakurt?
Females are most toxic in May - June. The spider attacks when it senses a potential threat. Only by invading its space does a person or animal run the risk of being bitten.
Given these spider features, it becomes clear to whom and why it owes its name stun gun karakurt. In fact, the aggressive behavior of karakurt can be regarded as self-defense.
But this is not easier, because more often than not a person inadvertently invades a territory where he can be attacked poisonous karakurt. Often animals suffer from spider bites.
Only some of them, such as dogs and hedgehogs, easily tolerate the effects of the toxin. The poison of an adult female is capable of killing a camel or a horse, is it worth talking about the danger to humans.
A quarter of an hour after a painful bite, a person displays the main symptoms of severe intoxication: dizziness, suffocation, chills, abdominal cramps, and vomiting. The timely introduction of an antidote is a prerequisite for a favorable outcome.
Experts say that if within two minutes the place of a bite is burned with an extinguished match, the poison can be neutralized. The fact is that the poison is based on protein, which simply coagulates from exposure to high temperature.
To prevent first aid tips for bites from being useful, precautions should be taken especially carefully during the migration of spider females. After all, a modest sized spider fully confirms its dangerous reputation.