Flies Are Fascinating. Most adult insects fly. Butterflies have four beautifully colored wings.
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Transcript of Flies Are Fascinating. Most adult insects fly. Butterflies have four beautifully colored wings.
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Flies Are Fascinating
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Most adult insects fly.
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Butterflies have four beautifully colored wings.
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Dragonflies have four delicate, gauzy wings.
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But true flies have only two wings.
Di is a Greek word meaning “two”. Ptera is a Greek word meaning “wings”.
Flies belong to the order Diptera.
There are more than 85,000 different kinds of true flies.
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Houseflies, deerflies, mosquitoes, horseflies, blackflies, and gnats are true flies.
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A fly folds its wings on top of its body.
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Look closely at this fly’s head.It has huge eyes.
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They are made up of many tiny lenses and are called compound eyes.
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Some flies, like this housefly, are dark colored.
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Some are brightly colored with a metallic shine.
We call these flies bluebottles or greenbottles.
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Some flies are large like this crane fly.
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Some flies are tiny like this fruit fly at right.
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Some harmless flies imitate other insects.
The hover or syrphid fly has yellow and black stripes so we will think it carries a sting… like a bee or a wasp.
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Flies do not sting, but many bite.
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Female blackflies, deerflies, mosquitoes, and horseflies bite animals to stuck the blood that they need for their eggs.
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They bite people too.
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Male flies do not bother people. They feed only on plants.
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Flies do not make nests like wasps or bees.
They lay their eggs on food, on water, on the ground, or on other animals.
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The eggs hatch into larvae. Fly larvae are often white.
We call them maggots.
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Mosquitoes are most common where there is water.
Mosquito larvae hang upside down just beneath the water’s surface.
They breathe air through a tiny tube.
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Fish and other underwater animals eat millions of these mosquito larvae.
That’s good.
There are fewer mosquitoes left to bother us.
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Adult flies are often eaten by spiders, other insects, birds, and animals.
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Who would have imagined that flies are such tasty food for so many creatures?