Wednesday, November 30, 2011

Assassin Bug Uses Ninja Skills To Sneaks Up On #Spiders

How assassin bugs hunt spiders in their webs  without alerting the spider to their presence has long been a mystery, but researches have now found the bugs use noise to sneak up on their prey by  waiting for the wind to rustle the web. Most web building spiders have poor eyesight & rely on interpreting vibrations on their web. Using a fan in the lab,  researchers at Macquarie University in Sydney discovered that when the fan was switched on to simulate a breeze the assassin bugs “stepped more often and walked in a more continuous manner" using the breeze to mask their movements. It is also thought the assassin bugs strange bouncing gait may replicate debris moving in the wind, further confusing the spider. 

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