Mosquito-life-cycle-2

Mosquito-life-cycle-2 - saliva stops the blood from...

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mouthparts piercing skin Mosquito feeding compound eye labium bent back stylets piercing skin section through skin blood sucked from capillary compound eye antenna Head of mosquito piercing and sucking mouthparts labium salivary duct food tube labium piercing stylets The piercing and sucking mouthparts fit together and are enclosed in a flexible labium Only the female mosquito has the piercing and sucking mouthparts. The male feeds on plant juices such as nectar. The female needs a blood meal before laying eggs. She alights on the skin of the host animal (e.g. human) and pushes her mouthparts through the skin to reach a capillary. The blood is then sucked up through the tubular mouthpart. The
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Unformatted text preview: saliva stops the blood from clotting. The mosquito described here belongs to the genus Culex. Apart from its irritating bites, it is harmless. In tropical countries, mosquitoes of the genus Anopheles transmit malaria. Malaria is caused by the malarial parasite, a single celled organism that feeds and reproduces in red blood cells. When a female mosquito sucks blood from an infected person, the malarial parasites reproduce in her body and find their way to the salivary glands. The next person to be bitten will therefore be injected with saliva carrying the parasite. D.G. Mackean...
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This note was uploaded on 11/29/2011 for the course BIO 218 taught by Professor Young during the Fall '11 term at BYU.

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