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Article: Bugs for hire: siccing good insects on bad ones. (beneficial insects; includes related article)(Cover Story)

Article from:
Science News
Article date:
May 13, 1995
Author:
Copyright

"Look what's flying around in the grain bin, dear!" some farmers may exclaim happily this summer.

Happily?

Couldn't be. Farmers take pride in a low insect-parts-to-grain ratio. True, but these farmers have been convinced by entomologists that the bugs that eat the pests that eat the grain deserve cultivating. Some farmers and orchard owners have used beneficial insects to help control pests in their fields for years (SN: 10/30/93, p.277), either by adding to native populations or importing foreign species. Now, a growing number of scientists are studying helpful predators and parasites with an eye to expanding their territory.

In addition ...

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