Insects

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insects on the land

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Presentation Transcript

INSECTS: 

INSECTS

HERE ARE SOME INSECTS : 

HERE ARE SOME INSECTS

MAIN PARTS OF AN INSECT: 

MAIN PARTS OF AN INSECT

PARTS OF AN INSECT: 

PARTS OF AN INSECT

Harmful insects: 

Harmful insects Although humans generally regard insects as harmful, most insects are actually harmless or helpful.

Cont------: 

Cont------ less than 2 per cent of all species are harmful; but among them, they can cause major crop damage and spread serious diseases on a large scale.

Some harmful insects: 

Some harmful insects Head louse cockroach Bed bug Scorpio

Useful insects: 

Useful insects Useful insects Insects are very useful animals. Many of them are food for other animals. They clean ground by eating up dead animals and rotten plants.

Useful insects : 

Useful insects Glow worm Fire fly Honey bee butterfly