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Scientists discover wasps which 'could eradicate pests'

17 October 2012 Last updated at 09:48 BST

Researchers have discovered a new type of wasp which could be the solution to eradicating pests, saving the farming industry millions of pounds.

Biologists at the University of Hull are studying hundreds of parasitic wasps, which they believe could be used to protect food crops instead of expensive pesticide.

Phil Connell reports.