What are spiders: acquaintance with animal species
Spiders have been with humans for a long time. They frighten people with their presence, but are not always dangerous. Although they look like “one face” to many people, there are a large number of types of spiders.
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What does a spider look like
What does a spider look like.
For many, the type of arthropod causes dislike, because they do not have the features inherent in insects. Spiders always have 8 legs, do not have wings and are different multiple pairs of eyes.
Their organs of touch are very specific. The hairs on the legs perceive sounds and smells. spider anatomy very different from other arthropods.
Spider species
In total, at the moment, scientists have counted more than 42 thousand spiders. Among them, there are several conditional varieties and atypical representatives that do not fit into the classifications.
cave spiders
The family of cave or armored spiders is represented by 135 species. They have a dense chitinous shell, which makes it possible to crawl under sharp edges and rocks.
These representatives have poor eyesight or even loss of the eye. They do not build networks, they attack their victims after a long supervision. Most live in Southeast Asia.
Social spiders
Most spiders are solitary. They do not need social communication, but converge only if necessary to reproduce. However, there are spiders that live in a colony and coexist together for the common good.
They can catch prey together, weaving huge nets. They also combine to protect the masonry. Often they conveniently cohabit with beetles that eat leftover food, thereby cleaning them up.
poisonous species
All spiders are poisonous. But only they have different degrees of poison. Spiders are always dangerous for their victims, they inject poison that kills them.
But there are species whose poison is harmful to humans. They can bite through the skin and contribute some, which will lead to a number of consequences, from severe pain to wounds.
house spiders
Usually people themselves choose with whom they live. But these spiders become cohabitants of people of their own free will. Most of them do not pose a danger to humans.
By the way, the Slavs had many different beliefs about the appearance of spiders in the house.
harmless spiders
These include those species that live near people, but do not cause harm. Also a number of representatives that prefer to live in fields, bushes and thickets.
They eat a large number of insects, which greatly help people in the fight against agriculture.
Medium venom spiders
This list is made up of those animals that harm humans when they bite, but prefer not to face humans. They can only bite on the rare occasion when they especially feel threatened.
tree spiders
In this collection, types of spiders that live on trees. Most of them tarantulas. They live in trees and have a special hierarchy, older individuals live higher to the branches, and young ones at the foot.
This family has become one of the most popular among those that grown at home, as pets. They have a number of features and their own character.
unusual spiders
This list includes those spiders that do not lend themselves to general classification.
Bagheera Kipling
Bagheera Kipling.
The difference of this species is an unusual preference in nutrition. These animals eat plant foods. They feed on flower nectar and plant structures from the branches of the acacia tree.
But when the dry season comes, representatives of this species dramatically change their taste preferences. He begins to prey on members of his own species.
banana spider
banana spider.
This spider is distinguished by its strange behavior. It is slightly inadequate, if that is how their behavior can be characterized. He spins spiders to hunt his prey.
It is poisonous, its venom causes severe pain, swelling, fever and digestive problems in humans. But he got on this list because he shows aggression for no reason. He attacks everything and anyone he wants. It can be an animal, a person, a bird or another spider.
Spider Darwin
Spider Darwin.
This representative made the list for his amazing talent. The representative of the species has the ability to weave trapping nets. And the size is distinctive - the network can reach a diameter of 25 meters.
But another paradox is that the females are about 18-20 mm in size. Very tiny creatures are capable of such beautiful patterns of huge size.
spider gladiator
Spider gladiator.
The hunting of these nocturnal individuals is interesting. They weave nets to catch their victims, but not ordinary ones. They look like pouches, round, oval or square. The gladiator throws a trap on the victim.
There is an opinion that they received the name precisely for the method of hunting, which is similar to that used by the Roman gladiators. He is a member of the list of the most feared spiders.
Bite-legged spiders
Bite-legged spiders.
These representatives have special flagella on the tips of their legs, which help them in hunting. They also have hooks and spikes, which makes them very strong and dangerous predators.
But they attract attention with an unusual way of breeding offspring. They make cocoons, which they fix with special secretions on their own belly. It turns out such a spider kangaroo.
Anteaters
Anteater spider.
This type of spider uses mimicry in its hunting. They are very similar to ants in appearance and often fit into a flock in search of prey.
And in order to have the maximum similarity, anteater spiders raise the front pair of paws, creating a semblance of antennae. So they become complete imitators and come close.
Кукловоды
These are cunning manipulators that also use mimicry, but only for other purposes. They are also called imitators. They are trying in this way to ward off problems in the form of predators.
From plant debris, residues and dry fiber, they prepare their copy and install it on the threads of the web. Some species also twitch, creating a semblance of movement. When a predator attacks a puppet, the spider itself quickly hides.
Conclusion
There are a lot of spiders in nature. They differ in color, size and habits. Among the great variety of species, there are those that are adjacent to people for the common good and those that are harmful. They sometimes surprise with their habits and even with what people consider to be intelligence.
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