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Thursday, May 24, 2012
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MNN.COM›Earth Matters›Animals›Photos›

10 animals that are bad for the environment

10 animals that are bad for the environment

Photo 9 of 12  
« Prev Bark beetle damage in trees Next »
Photo: vsmoothe/Flickr

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anonymous
Ara 05/09/2010 02:45 AM

Man humans destroy the earth alot to so they shouldnt be talking

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anonymous
jonny3345 01/28/2011 16:04 PM

Dont get all mad about it. You shouldnt expect this many humans to live on earth and not change it. get a life hippie

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anonymous
Brian 05/03/2010 15:39 PM

I logged a forest that was being devasted by the bark beetle.However the environmentalists are stopping that sort of logging allowing the bark beetle to thrive.

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anonymous
Scott 05/03/2010 10:30 AM

I live in Ohio and the Ash Borrer is a very destructive bug that will kill an Ash tree in no time.

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anonymous
Skeptic 05/02/2010 11:21 AM

You need to learn the difference between insects and animals.

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anonymous
Anne 05/08/2010 21:38 PM

Insects ARE animals! They are members of the Kingdom Animalia, just as mammals, avians, fish, etc are.

BE correct before YOU correct ...

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Bark beetles

Many species of bark beetle choose dead or rotting wood to reproduce in, but several species (including the mountain pine beetle of western North America) are known to attack and kill live trees. Whole stands of forest can be destroyed if bark beetle numbers get out of control. The bugs can also be carriers of disease, as is the case with the American elm bark beetle which transmits Dutch elm disease.
 
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