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Mosquito, any of 35 genera of small insects belonging to the fly order Diptera of the family Culicidae. Mosquitoes have long legs and 2 wings capable of beating about 1,000 times a second. Males survive on plant juices; females feed on the blood of mammals. They are able to pierce skin with needlelike parts in their proboscises. Certain species transmit diseases such as malaria, yellow fever, and encephalitis.

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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Mississippian to Mud hen