There is a pest called viburnum leaf beetle which has recently arrived from the continent, I think.
The larvae hatch in May and start eating leaves. Spray in May with a chemical bug killer to kill larvae while young and cut off and burn affected leaves.Adult beetles are harder to kill. Hope this helps.
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There is a pest called viburnum leaf beetle which has recently arrived from the continent, I think.
The larvae hatch in May and start eating leaves. Spray in May with a chemical bug killer to kill larvae while young and cut off and burn affected leaves.Adult beetles are harder to kill. Hope this helps.