
This is an invertebrate animal of the family of arachnids, spiders, which are part of the class of arthropods.
There are 8-10 species. Its bite contains a toxic poison that paralyzes the breathing and can cause death .

Only the female is dangerous and it is recognized that the red dots on the back door . The American Black Widow is the most dangerous , however .
It feeds on insects. It weaves its web of interwoven in all directions in which the insect son caught in the trap can not escape. She plants him his hooks and death is instantaneous. It must reduce its prey in order to eat porridge .

It vibrates its canvas and if it meets its appeal , reproduction takes place. Mating lasts only a few seconds and the male immediately fled because he might get eaten .
The female lays her eggs in a cocoon well away from his enemies.
The female black widow has a life of health by 1 to 1 1/ 2 years , while the male lives only eight months maximum.

No comments