Can someone tell me what these red 'nodules' are, please?
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I can't, but I have similar ones on a sycamore in my garden. What plant were these on?
Not sure-could it be a beech or lime tree? Definitely not a sycamore though
It's a Lime tree and these are "nail galls" caused by the mite Eriophyes tiliae I think.
Thanks Jon. I'd never thought of mites causing galls before. A whole new area of natural history to pursue!
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