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Tax fines missing Japanese knotweed

19 November 2014 Last updated at 09:15 GMT Clock

The lack of control over the spread of Japanese knotweed can now lead to a number of anti-social behavior and a fine of up to £ 2,500.

The famous brand of driving wedges between sidewalks and harmonious neighborhood is one of the most destructive plant in the UK.

But scientists expect that a small insect can help them recognized under control, as described by John Maguire.