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Picture library: 29860

CHIONASPIS SALICIS . Bark cracks in stem of Alnus rubra heavily infested by this the willow scale . The crown is dying back on trees 19 years old . Location: Alice Holt , Hampshire , England .

Reference: 29860

CHIONASPIS SALICIS . Bark cracks in stem of Alnus rubra heavily infested by this the willow scale . The crown is dying back on trees 19 years old . Location: Alice Holt , Hampshire , England .


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Credit line: Forestry Commission

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