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ELATOBIUM ABIETINUM . Comparison between needles on older shoot cohorts damaged by green spruce aphids ( yellow banding ) and needles on current shoot cohort which are not attacked . Location: Alice Holt , Hampshire , England .

Reference: 41316

ELATOBIUM ABIETINUM . Comparison between needles on older shoot cohorts damaged by green spruce aphids ( yellow banding ) and needles on current shoot cohort which are not attacked . Location: Alice Holt , Hampshire , England .


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Credit line: Forestry Commission

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