Mosquitoes

1 he body of these delicate, slender flics is covered with patterns of white, gray, brown, and black scales. Some tropical species are brightly colored. The long, narrow wings have scales along the veins and edges, and the mouthparts arc very long, slender, and piercing.

• life Cycle Eggs are laid on the surface of water, either singly or in groups of 30 to 300. The larvae are saprophagous or eat other mosquito larvae and obtain air from the water surface through an abdominal siphon. Adult females suck the blood of vertebrates but also take plant fluids and nectar; the males feed on plant fluids, nectar, and honcydew. The life cycle usually lasts fewer than three weeks.

• occurrence Worldwide, especially in warm areas Adults are common near woodland, and larvae arc found in virtually any body of freshwater, from a rain-filled treehole or water-butt to a lake. ^^

• REMARK The females of many species carry organisms .that cause serious diseases in animals and humans. These diseases include malaria, yellow fever, dengue fever, filariasis, and encephalitis. Malaria is caused by protozoa that belong to the genus Plasmodium and that arc parasites of blood. Worldwide, one person dies of malaria every 12 seconds. Despite massive efforts to control the disease, it continues to be a serious, and growing, problem.

No. of species ^ jqq larvak arc elongate, with tufts of hair on the large thoracic segments.

long palps characteristic feeding position: body in line » with head pointed down toward skin long palps characteristic feeding position: body in line » with head pointed down toward skin

A AEDES CANTANS is a European species that breeds in temporary pools of water and bites humans.

A ANOPHEl.ES GAM MAE belongs to the main malaria-carrying genus of mosquitoes and is a widespread vector of the disease in Africa. It usually bites humans rather than animals.

A ANOPHEl.ES GAM MAE belongs to the main malaria-carrying genus of mosquitoes and is a widespread vector of the disease in Africa. It usually bites humans rather than animals.

CUEEX SPKCIKS rest with their head and abdomen pointing down toward the surface. Various species carry diseases, including filariasis.

0rder DIPTKRA

Family mycktophilidak

No. of species ^qq

spines on tibiae long and slender antennae

very elongate first leg segment (coxa)

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