Value of insects in U.S. is $57 billion

The services that insects provide the United States are worth $57 billion, Cornell University entomologists calculated.

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<p><a href="http://www.physorg.com/news63273412.html">Value of insects in U.S. is $57 billion</a></p> <p>The services that insects provide the United States are worth $57 billion, Cornell University entomologists calculated. </p>