"Spider, spider - little black legs, red boots, we'll get you fed, watered ... we love you."
Children's song tells the story of a pretty fun insect, but when a real meeting with the spiders to emotion very far.
Especially when you see before you is not just a spider and the black widow.
This is not a very large female black spider hasabominable reputation. The rumors about it are very diverse, one worse than the other. That's the worst of them. The bite is fatal and its own husband she eats for lunch.
In general, the black widow (Latrodectus for Latin)rich with their poisonous relatives. In Central Asia, the Crimea and southern Europe lives karakurt spider that bit as dangerous. But the second step in the rating of "virulence" belongs to this North American widow. Its venom is 15 times concentrated than that of a rattlesnake, and is second only to Brazil's only poison spiders soldiers. Homeland of North America is considered, with its hot climate, but today these insects made their way even to Oceania and Australia.
The black widow can be easily identified by the redspots on a black triangles abdomen. Sometimes the spots coalesce, forming a figure of an hourglass. The length of her legs and glossy body by 12 mm. Dimensions of males is almost twice less, apparently, in order to reduce resistance to a minimum.
Love to the grave
Here strict rules - no adultery! Once the pairing is completed, or even during, the female spider literally devours her Blessed. There is speculation that some males just take away from the deadly foot love, but it is only a single exception to the rule terrible. Stay one's stomach, I'm sorry - the husband, the female spider spins a cocoon, which begins to lay eggs. It carefully hides it in a safe place under the driftwood or large rock in a small hole. The very same future mom is close by and ready to defend his clutch at any moment. So do not be missed to disperse these whitish pellets - can receive a lethal dose of poison.
According to scientists, the venom of black widow hasneurotoxic venom and more coral snake or cobra. From painful death bitten person saves only that amount of poison that enters the blood is low. However, at the site of the bite once there is quite a strong pain, which soon turns to the whole body, accompanied by convulsions. It becomes difficult to breathe, the stomach is sealed and hardens, there is a headache, fever and nausea. Attacks of pain alternate with severe sweating. This state lasts three days, and complete recovery occurs within a week.