A small conical nail-shaped gall that forms on the leaves of lime trees in response to the presence of mites.
The mite is Eriophyes tiliae, family Eriophyidae‘Some galls were noted, including nail gall on lime-tree leaves growing by Low Matlock Lane.’
- ‘In summer, greenfly on the leaves drop sticky honeydew and red nail galls can be seen on the upper leaf surface.’
- ‘A fairly common phenomenon associated with lime is that of nail galls, conspicuous protrusions on lime leaves produced by mites.’
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