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Graph comparing number of adult weevils emerging from stumps over four years 2002 to 2005 inclusive. Untreated forest - about 20 to 25 over period. Treated forest - reducing from about 28 in 2002 to 1 in 2005.

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Graph comparing number of adult weevils emerging from stumps over four years 2002 to 2005 inclusive. Untreated forest - about 20 to 25 over period. Treated forest - reducing from about 28 in 2002 to 1 in 2005.


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Credit line: Forestry Commission

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