Mosquitoes Life Cycle

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The page below is a sample from the LabCE course Mosquito-Borne Viral Diseases. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Mosquitoes Life Cycle

Mosquitoes are very versatile organisms that can reproduce in any deposit of water, whether man-made or natural. They are found in all climates, even in deep mines and mountain peaks. Very polluted water can even be used for their life cycle. They belong to the insect order Diptera in the family Culicidae. It is believed that at least 167 species of mosquitoes in 13 genera live in the United States alone.
Female mosquitoes lay their eggs individually or in groups, called rafts. The egg hatches in water or wet areas as a larva. The larva grows and molts four times and then becomes a pupa. The pupa transforms the larval organs to adult form. This takes an average of three to four days, depending upon the individual species and the temperature. The adult then emerges and flies away. The life cycle of Aedes aegypti is shown in the image on the right.

Mosquito Life Cycle. Courtesy CDC.