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It's a pest. It is a complete parasitic pest. Other pests are harmful, but many of them can be used medicinally and are not parasitic.
But ticks are not only not medicinal, they are parasites, and they can be deadly in their pathogen transmission. So, is absolutely useless pests.
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Vampire habits. The larvae, nymphs, male and female adults of ticks all suck blood. Hosts include terrestrial mammals, birds, reptiles, and amphibians, with some species attacking the human body.
Most tick species have a wide range of hosts, such as Ixodes alluvial, which includes 200 species of mammals, 120 species of birds and a few reptiles, and can invade humans. This is epidemiologically significant. Ixodes ticks mostly attack the host during the day and suck blood for a long time, usually taking several days.
Soft ticks mostly attack the host at night and suck blood for a short time, usually a few minutes to 1 hour. The tick sucks a large amount of blood, and it can swell several times to dozens of times after being saturated with blood at each developmental stage, and the female Ixodes can even reach more than 100 times.
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Living in the forest, grass, bloodthirsty, like to parasitize on the human body, hidden in the human body, lurking in the human body for a long time, severe pain in the head, do not easily take it out with a knife, once disturbed, it will release a large amount of venom, aggravate the difficulty, should go to the hospital, anesthetize, and then take it out.
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The natural enemies of ticks are parasitic wasps. It has been found that some parasitic wasps of the family Hymenoptera can lay eggs in some nymphs, and only escape from the body of the nymphs after they become adults, and the nymphs die soon after parasitism. There are also insects of the family Bugaceae, which can also cause tick death.
Morphological characteristicsThe body is oval, the ventral dorsal is flattened when not sucking blood, the back is slightly raised, and the adult body is 2 10 mm long; After saturation, it swells like red beans or castor beans, and can be as long as 30mmLeather on the surface, or with a chitinized shield on the back. The body of the insect is divided into two parts: the jaw and the body.
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Red ants, parasitic wasps, etc.
Parasitic wasps are the natural enemies of many insects, such as the natural enemies of the star beetle is the parasitic wasp, the main hunting method of the parasitic wasp is to use the host as a nutrient pool by laying eggs and parasitism, first the parasitic wasp will quietly approach the tick, and then inject a paralyzing venom into the body, and when the tick can not move, the parasitic wasp will lay eggs into the body of the tick, and when the larvae hatch or gradually grow up, the tick will be eaten away.
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Ticks are capable of transmitting a wide range of human and animal pathogens. Humans are the accidental hosts of ticks and the terminals of tick transmission in nature. Diseases with ticks as the main vector, such as forest encephalitis and fever with thrombocytopenia syndrome, have seriously threatened the health of humans and animals in recent years.
Among them, forest encephalitis is an acute infectious disease of the nervous system caused by the forest encephalitis virus.
Lyme disease, an emerging vector-borne disease transmitted by tick bites, has been reported in more than 70 countries worldwide.
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Second, if a person or animal is infected with a tick, the babesia worm in the body will destroy and lyse red blood cells, and warm-blooded animals will develop anemia.
Ask me what I should do if I am bitten by a tick.
Immediately after being bitten by a tick, you can gently apply a cotton swab dipped in alcohol to the tick so that it can be loosened by inserting the ** spine, and then slowly pull out the spine with tweezers, and check whether the inserted ** spine has been completely removed, and finally disinfect the wound. Around the wound, 2% lidocaine hydrochloride is used for local blocking, and trypsin 2000u plus normal saline 100ml wet compress can also be used to accelerate the healing of the wound. If the tick's mouthparts or remnants are in the flesh, they are surgically removed.
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The significance of the existence of ticks is a great harm to humans, animals and plants. It is extremely vital and does not easily become extinct.
Ticks are a very common pest in rural areas and are extremely harmful to humans. After being bitten by it, the slightest carelessness can lead to fatal hazards. There are several types of it, there are soft-shelled and hard-shelled.
The shell of a hard-shelled tick is so hard that it can't be pinched, unlike a soft-shell that dies when pinched.
There are two types of ticks: hard ticks and soft ticks.
There is an encyclopedia introduction in it, and there are a lot of **, which is very clear at once. ) >>>More
1. Blood-red fan-headed tick: the length of the male insect includes the false head), and the width is about . The body length of the female at the end of the blood-sucking process includes the prosthetic head). >>>More
Imbalance disorders.
Dogs will be bitten by ticks about two to five days after the occurrence of restlessness, mild trembling, balance disorders, ataxia and other symptoms, in severe cases, even the whole body is fragile and weak, hind limbs numbness, if not in time**, more serious effects may occur. >>>More
Birds, mites, rodents, small insects (such as ants, spiders, praying mantises, etc.). >>>More
Overview: Ticks have the following three characteristics, which are different from other insects and mites: First, the dorsal and ventral body is flattened, sac-shaped, epidermatose, without head, thorax and abdomen, and is usually divided into two parts: prosthetic head and body. >>>More