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I'm interested in this, too. It has to have more to it than the basics of CO2, heat, and lactic acid. Something makes them go for some people more than others. This is not so good for me, as I am one of the people they love. I can be in a crowd of people, and no one but me is dinner. Some variation in a person's biochemistry is more appealing than that of others, and I would LOVE to know what it is so that I can do something about it!
The only mosquitoes who suck blood are the females, and they do this as a means of providing protein for egg development. The female mosquitoes seem to choose their prey in different ways--this can include carbon dioxide, body odours, air movement or heat that is emanating from the host. Upon selecting the host, the female mosquito emits a chemical in the saliva that prevents the host's blood from clotting, and once feeding is done she goes to digest the blood before laying her eggs.
First of all, mosquitoes don't sting like bees. They insert their proboscis through the skin of the victim to suck blood.
They find their "prey" based on three things -- the warmth of the prey's body, the moisture from its breath, and the carbon dioxide it gives off when it breathes.
Chemicals your body emits Body heat Visual cues such as color, size and contrast Movement Carbon dioxide and other chemicals in the breath that you exhale
All these, are things that can attract mosquitoes to humans. Only the females bite (they need the blood for their eggs). But, mosquitoes also need sugar substances they get from flowers. So people who seem to "attract" mosquitoes probably have on something that smells sweet. Or they may consume lots of sugar substances (the smells of what we had for lunch can often come through our pores when we sweat). I am not a mosquito expert but, I live in a small town and, we have lots of mosquitoes I had lots of bites that I continued to scratch long story short. They got infected I got sent to a specialist and he recommaneded cutting out the things that attracted mosquitoes and, thats the list he gave me :) Hope that helps a little bit
Both male and female mosquitoes are nectar feeders, but the females of many species are also capable of hematophagy(drinking blood). Females do not require blood for their own survival, but they do need supplemental substances such as protein and iron to develop eggs.
Mosquitoes, and only female mosquitoes sting animals including humans to suck blood from their victim's. They need this blood for development of eggs inside their bodies.
The mosquitoes stab through the victims skin with six needle like parts called stylets. It also releases saliva as it stings to prevent the blood from clotting. This allows the mosquitoes to sip blood through the channel formed by stylets.
Mosquitoes are attracted to their victims by their body heat. This is the reason we often find many mosquitoes hovering around sources of heat like lamps.
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