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Plum Leaf Aphid

Glassprimitif says:

How damaging are mealy plum aphids and is there any treatment for them? I noticed the wasps have been eating them (the aphids, not the plums) and I picked off the worst affected leaves - which seem to be at the end of each branch. 

How much damage will they cause the plums themselves?

Many thanks 

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  • LiriodendronLiriodendron Posts: 8,024

    If you have a really bad infestation the tree won't grow very well, but generally the aphids are confined to a few shoots - and as you've found, predators (wasps and birds) will usually keep them under control.  Like you, I pick off the worst affected leaves.  I've never found the fruit itself to be affected.

    Since 2019 I've lived in east Clare, in the west of Ireland.
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