How do mosquitoes find their targets, and how do mosquitoes find their targets?

The carbon dioxide emitted by the human body finds the target.

Mosquitoes rely on sensing fatty acids, lactic acid, infrared rays and carbon dioxide breathed by humans in sweat, and then respond quickly and quickly find blood-sucking targets. Because, the components of sweat emitted by people's bodies are: water, salt, a small amount of urea, lactic acid, fatty acids, etc.

, can I start with the way mosquitoes find their targets?

There are three main ways for mosquitoes to determine their location.

One is that the breath exhaled by humans or mammals when they breathe contains a large amount of carbon dioxide, and mosquitoes can accurately locate humans or mammals based on this smell.

The second is to sense the body temperature of a human or mammal.

The third is to smell the smell of people or animals. Of these three points, it is particularly important to determine the location by carbon dioxide, which has been verified with dry ice (solid carbon dioxide).

This is not only true of mosquitoes, but also of blood-sucking insects, which are sensitive to carbon dioxide and can follow smell to find prey.

Mosquitoes bite people and find prey not by their eyes, but by their sense of smell. On the antennae of female mosquitoes, in addition to the ring hairs, there are short hairs distributed on each whip that react to changes in chemicals in the air. It is particularly sensitive to compounds such as carbon dioxide, lactic acid, and humidity.

The night does not affect the mosquitoes to find the bite target, and the mosquitoes travel more secretly and safely under the cover of night.

When mosquitoes choose a target to bite, they rely on the smell information generated by a specific group of people, and a certain group of people emits special odor information that will attract mosquitoes. Mosquitoes are especially sensitive to sweat containing large amounts of amino acids, lactic acid and ammonia compounds, and can be attracted from great distances.

Mosquitoes look for targets by sensing carbon dioxide and body temperature.

Introduction to the process of mosquitoes looking for targets: when the distance is 10 to 50 meters, the mosquito senses the carbon dioxide air flow released by the host to lock the direction, and when the distance is close to 5 meters to 15 meters, the mosquito begins to be able to see the target; They are then guided visually closer to the target. Mosquitoes can feel human body temperature, which occurs within a distance of less than one meter.

Many insects, including mosquitoes, are attracted to the smell of carbon dioxide released by humans and other animals when they breathe normally. However, mosquitoes can also find nearby humans by catching other clues. They use vision to lock onto the target, while using heat conduction information to sense a person's body temperature.

After the mosquitoes detect a special smell that indicates the presence of an object nearby, they only pay attention to finding the target object by sight. This helps ensure that they don't waste time investigating false targets like rocks and vegetation.

Warm, humid environments are very attractive to mosquitoes. When humans and other homeothermic animals emit a certain amount of heat and moisture out of their bodies, the surrounding air creates convection currents that mosquitoes are keenly aware of, albeit weakly. Following this warm and humid air current, the mosquitoes once again succeeded in "catching" us.

1.According to the carbon dioxide exhaled by the person.

2.This is because mosquitoes can only see the blood flowing through the human body at night. The blood of the human body is like a glowing glow stick at night, so mosquitoes are good at identifying targets.

3.Mosquitoes search for their targets by the scent they emit from their bodies.

Mosquitoes at night are not looking with their eyes, they are through inductive signals.

It's not right to say so much above, it's the temperature! Refer to Happy Baby.

Depends on the heat emitted by animals.

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At night, the sense of smell is the main source of the smell that people exhale, and the mosquitoes use it to find their target and bite them down.

Mosquitoes are looking for heat sources to find targets at night, and mosquitoes at night will look for targets with temperature.

Joop van Lun, an entomologist at Wageningen University in the Netherlands, told Live Science that mosquitoes look for "victims" based on "traces" of carbon dioxide.

Scientists noted"Mosquitoes are oriented based on traces of carbon dioxide in the air. To better perceive places with high carbon dioxide concentrations, they fly against the wind. "

He said that mosquitoes will choose to be within 50 meters of each other"Goals"。When mosquitoes are in close proximity (less than a meter away) a swarm is potential"Victims", their sensory organs begin to read various parameters. For example, the temperature of **, whether there are vapors and microorganisms on it.

Microorganisms produce a composition of more than 300 different components"Chemical bouquet"。Scientists point out that its composition depends on the environment and the genetic structure of the person. 2011 PLoS :

A study published in the journal PLOS ONE showed that men with a diverse bacterial profile were less likely to be bitten than men with a more uniform microbial profile.