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Picture library: 21219

ADELGES COOLEYI . Reduced shoot vigour on Douglas fir due to woolly aphid . Location: Upton upon Severn , Hereford and Worcester , England .

Reference: 21219

ADELGES COOLEYI . Reduced shoot vigour on Douglas fir due to woolly aphid . Location: Upton upon Severn , Hereford and Worcester , England .


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Credit line: Forestry Commission

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