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Hello, spiders are beneficial insects that play an important role in industrial biological control. The cobwebs it weaves can stick a lot of small flying insects, mosquitoes, and flies, which effectively protects the better growth of crops. In addition, it can also extract pharmaceutical ingredients, which also play an important role in the field of medicine, detoxification and swelling, bleeding and hemostasis, sores and other diseases.
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Spiders belong to beneficial insects, because it is the natural enemy of many pests in agriculture and forestry, and plays an important role in biological control, and the protection and use of spiders has become an important part of biological control. In addition, spiders can be used as medicine to treat prolapsed anus, sores, armpit odor and other symptoms.
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Most spiders belong to beneficial insects, because most spiders are to prey on insects, and because they prey on insects, which is beneficial to humans, they are called beneficial insects!
However, there is a part of the spider that is poisonous and can harm humans many times, just like a poisonous snake, we still classify it as a beneficial insect because it also eats mice, which is beneficial for controlling the number of rats!
Therefore, spiders in a broad sense are still beneficial insects, and only some poisonous spiders are dangerous to humans!
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Beneficial insects, but some varieties are poisonous, spiders generally eat small insects and the like, and do not eat crops, if there is that kind of white-fronted stilt spider at home, it is the kind that is very ugly and long-legged, don't drive it away, it will eat cockroaches, and cockroaches will go away without themselves.
Some spiders can also be kept as pets, and I have some myself.
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Are spiders pests or beneficial insects? This is not necessarily the majority of spiders, he belongs to one kind. Because most spiders, it will only eat those butterflies, flies, those messy little bugs, to help humans get rid of pests, so they all belong to one kind.
But there are also a small number of spiders, and he is not.
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Generally speaking, spiders are a kind of beneficial insect for humans. Spiders are generally carnivorous, and they eat pests as well as beneficial ones. From an agricultural point of view, because the occurrence of pests is usually relatively large, the control effect of spiders on pests is usually much greater than the killing effect on natural enemy insects (beneficial insects), therefore, spiders are often regarded as natural enemies of pests in production, that is to say, they are beneficial insects.
Let's talk about spiders. <>
Enumerate: 1: Spiders are of many species, widely distributed, adaptable, it can live or build webs on the surface of the soil, in the soil, on trees, among grass, under rocks, burrows, water's edge, low-lying land, bushes, moss, inside and outside houses, or inhabit freshwater, coastal lake belts.
In short, spiders can be found in water, land and air. <>
2: Spiders mostly feed on insects, other spiders, and myriapods, and some spiders also feed on small animals. They can dive up to 30 centimeters to catch their prey and pounce on it.
Most spiders use the least amount of silk to weave the largest web, which acts like an air filter to trap insects that don't see filaments and don't fly well, and finally feed themselves.
3: Spider's dwelling: Safari:
Nomad spiders hunt everywhere, hunt for food, have no fixed home, do not build webs, do not burrow, and do not build nests. There are scaly arachnidae, ursoaradae and most tarantulas. Sedentary:
Some of the sedentary spiders build webs, some dig burrows, and some build nests as fixed dwellings, such as wall money, stone spiders, etc. <>
4: There are many natural enemies of spiders, toads, centipedes, frogs, lizards, birds, bees all prey on spiders, some parasitic wasps parasitize in spider eggs, some parasitic flies larvae develop in spider egg bags, and small-headed gnatfly insects are almost all parasitic into spiders in the form of larvae. Spiders often use a variety of methods to ward off enemies, such as ventilating venom, stealth, camouflage, mimicry, protective color, vibration, and so on.
When you can't escape, and your appendage is caught by the enemy, simply cut off your appendage and walk away, anyway, the self-cut step will regenerate when molting.
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Spiders are both beneficial and pests.
For small animals such as spiders, they can be said to be beneficial insects or pests. It is said to be a beneficial insect because of the cobwebs it weaves.
You can stick a lot of small flying insects, mosquitoes, and flies.
And then it eats these. And it is called a pest because it weaves a web everywhere and pollutes the environment. And some weave on the trees, destroying the small trees.
Spiders are the natural enemies of many agricultural and forestry pests, and play an important role in biological control, and the protection and utilization of spiders has become an important part of biological control. But a few spiders are highly venomous, and their venom is harmful to humans and animals.
Characteristics of spiders:
Most spiders have venom glands, and there are two types of chelicerae and chelicerae that move up and down, and spiders that hunt on the ground and build webs in the air are like pincers.
General sweep.
No antennae, no wings, no compound eyes, only one eye, generally 8 eyes, but there are also eyes, some genera even have no eyes, in terms of the color and function of the eyes, and divided into night and day.
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Beneficial insects and pests are all differentiated by people, you don't see, generally good for human beings, especially food crops, are beneficial insects, on the contrary, pests, maybe animals also classify humans as bad people
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