Why we need insects -- even 'pesky' ones

Agrawal's team set up 16 identical plots. During each growing season for... At first blush, many people would probably love to get rid of insects, such as pesky mosquitoes, ants and roaches. But a new study indicates that getting rid of insects could trigger some unwelcome ecological consequences, such as the rapid loss of desired traits in plants, including their good taste and high yields.

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