Why Mosquitoes Survive The Cold Winter

In most parts of the world where winters are cold, we commonly don’t see any mosquitoes flying around. But in fact they are still there and are alive only that they are in a different form from those flying insects that we usually see.


How does a mosquito survive in the winter? To answer the question, we rather look into the life cycle of a mosquito.


We all know that a mosquito spends the first part of its life in water rather than on life and in the air. The first part of its life begins when a female mosquito

lays eggs in stagnant water. The female chooses such because the egg cannot survive in running water as the eggs will be washed away. When the eggs are hatched, came the second stage of the mosquito life which is the larvae or “wrigglers”. As soon as the wrigglers begin to swim they also begin to look for food.


After several days, the wrigglers changes into pupae or “tumblers” which is the third stage of the mosquito life cycle. Several days more, the tumblers becomes a grown insect and flies away. The life cycle of a mosquito – from new egg to adult mosquito – may only take between nine to fourteen days!
One interesting fact about the mosquito is that they have the ability to adapt to the environment. When cold winter comes, the mosquito eggs can lie dormant. They don’t hatch through the course of the winter season. And in some mosquito species, the fertile females can have the ability to hibernate. They can spend the winter in a kind of sleep. In other words, mosquitoes can survive the winter as adults, eggs, wrigglers, or pupae.


Another interesting fact about mosquitoes is that while we think that they are the greatest pest in warm climates, these insects actually are

far worse pest in colder climates such in the far northern regions of Canada, Alaska, and Siberia. This is because mosquitoes can timed the laying of eggs during the start of the winter months. The eggs will stay dormant for the rest of of the winter in the snow. And when the snow melts, the eggs will hatch out in great swarms that stories had been told about men who have driven insane by them!


These stories may be true or just another urban legend, but the far most danger mosquitoes present to us is not that they are annoying, but they post a great threat to our health as they are capable to spread diseases when they bite healthy persons after having bitten the sick ones. When a mosquito bites and takes blood from a sick person, it draws in the germs and viruses that causes disease. The germs or viruses are then injected with its saliva when the mosquito bites a healthy person. As the mosquito is only interested in the blood, the germs and viruses have no purpose for the mosquito.


To date, there had been more than 3,00 known species of mosquitoes, but only a few members bear the responsibility for the spread of human diseases. The malaria virus is only carried by the Anopheles mosquitoes. They are also carriers of the filariasis (also called elephantiasis) and encephalitis. The Culex mosquitoes carry the encephalitis, filariasis and the West Nile virus. And the Aedes mosquitoes carry the yellow fever, dengue and encephalitis virus.


Sources:
http://www.mosquitoes.org/LifeCycle.html
http://animals.nationalgeographic.com/animals/bugs/mosquito/
http://www.epa.gov/mosquitocontrol/
 



Article Written By joeldgreat

Where I belong...New ways to contribute to humanity by posting relevant blogs and articles. Back from the grave..

Last updated on 19-06-2016 116 0

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