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- The female sandfly bites because it uses your blood to help it produce eggs.
- She uses her sucking mouthparts to make a pool of blood on your skin that she sucks up.
- She injects a chemical called histamine into you to stop your blood from clotting and it’s the histamine that makes you itchy.
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- A sandfly is a very small black flying insect and it has a humped back.
- The male sandfly doesn’t bite.
- Your blood can help to make up to 100 eggs.
- Female sandflies lay their eggs under stones or plants in flowing water - like rivers.
- There are about 11 different species of sandfly in New Zealand.
- Most sandflies will bite any warm-blooded animal and one species attacks penguins.
- Scientists believe that in tropical countries sandflies are attracted to humans by the sweat and the moisture on the skin that sweat creates.
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- Next time your being attacked by a sandfly sit very still and see if you can have a good look at it close up. Can you see its humped back? How about its six tiny legs?
- Are you anywhere near sand? Sand flies don’t need to be near sand - you’ll find them just about anywhere near running water.
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- Find out about Mosquito’s. They’re bloodsuckers like sandflies.
- Which bite - the male or the female?
- Do they make a sound?
- What do they use the blood for?
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- Why did the girl throw sand out the window?
- She wanted to see a sandfly (sand fly)
- What kind of boats do mosquitoes like best?
- Blood vessels
- From Joanna Exley
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