Black widow spider - a predator insect world

greatest number of human fears associated with the insect world, and the most difficult thing to have to arachnophobia, because the objects of their fear is always somewhere nearby.Spiders, these small, but ferocious predators live next to us, in our homes, bathrooms and cellars, and considered all kinds of predatory spider, of which there are 38 thousand.Black widow spider - not the last of the spider kingdom.

real name of this species - Black Widow, and so unflattering "nickname" received only female of this spider.Why is "weak" members of this species got the name of the black widow?This spider is notorious for "black" type karakurt ladies like to have dinner with their suitors.Right after copulation the female Black Widow include their hapless husbands lunch menu.In an effort to survive this "love" male black widow edible bring small presents, but even these measures do not always save them.Typically, about half of the male Widow serve as food their wives.

Widow Females differ from males not only bad habits, but also appearance.They are much larger than their "men."Spider black widow female is polutorasantimetrovy diameter, five-centimeter long, glossy black and red coloring and poisonous jaws.Learn Widow can be the red spot in the midst of a black back.Dangerous situations the female prefers to wait, huddled in a hole or slot.Attacks karakurt only if very frightened or angry.Males of this species are much smaller than their "spouse".The diameter of the body is equal to four to seven millimeters, and with no more than two feet centimeters.Poison poor male also has not got.Since he had nothing to defend, black widow spider males simply draws in the eight legs and lies motionless.When the danger has passed, it quickly disappears into some slits.

Lives karakurt in the Caspian steppes and the southern regions of Russia and Ukraine.View these spiders has three varieties: brown (or gray), and northern red.As a rule, karakurt settle in holes or narrow slits.Like other spiders weaves a web of this kind, indiscriminately and severely stretched.In places where live karakurt, black widow spider is not a good reputation.The venom of the "ladies" contains a neurotoxin that large doses can trigger paralysis and kill a man.A sufficient amount of venom for this spider, fortunately, does not have, however unpleasant it provides bite.A person bitten by a black widow, start to hurt joint, vomits, acts on the body cold sweat, and there is pain at the heart.The bite is blue and swollen.If care is not provided, then the recovery will come only after 3-4 days.The lethal outcome is possible only if the action is reinforced spider venom allergy.

However, all is not so bad.Death if Black Widow bites are very rare.Black widow spider, whose photos can be seen in this article, is not found at every turn.Check them easily on the bright color, the benefit of poisonous female - insects rather large, and not notice this spider is simply impossible.