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The dreaded mosquito Part 2 (Teacher: Michael)

The adult is eventually fully formed after through a pupal stage, with the males usually emerging earlier. These stay hovering over the surface of the , mating taking pace soon afterwards as the females emerge. However, before she lay viable eggs she to a blood meal from a mammal or bird.

Mosquitoes attracted to the host by a of stimuli, particularly heat and exhaled carbon dioxide.

Having a host she settle and probe with her proboscis (piercing- organ) to locate a blood vessel, whereupon she typically inject a small amount of anticoagulant saliva into the bite puncture to prevent the blood from clotting. It is the reaction of the host's antibodies to this attack which causes the redness, swelling and irritation at the site of the bite. In the tropics the female mosquito is without doubt the most important vector of disease, carrying malaria, filariasis, yellow fever, dengue fever and forms of encephalitis.

A of these virus diseases also occur in the cooler, temperate zones Malta's, but in our case we less at risk since we live on an island. It is only through their bloodsucking habits that disease spread by mosquitoes.

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