小橋 昭彦 2006年4月7日

A new study in the April issue of the journal Bioscience shows that insects provide services worth more than $57 billion to Americans. Insects are food for wildlife that supports a $50 billion recreation industry. Native insects provide more than $4.5 billion in pest control, pollinate $3 billion in crops, and clean up grazing lands with a subsequent savings to ranchers of more than $380 million.

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