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Virus? Virus?

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  #1 (permalink)  
Old 17-05-2011, 10:39 AM
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Virus?
I came across a tree in my local park yesterday, common lime I think, and it had the strangest brown tooth-like projections on the leaves.

I have the (now shrivelled!) leaf in front of me, the "teeth" are evenly spread over the surface of the leaf, each projection is about 5mm in length protruding at right angles from the leaf surface, mostly in between the veins. This leaf has 29 teeth.

Is it a virus of some kind?
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  #2 (permalink)  
Old 17-05-2011, 11:25 AM
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Re: Virus?
These are "Nail galls" caused by the mite Eriophyes tiliae.
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Old 17-05-2011, 11:40 AM
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Re: Virus?
Yep! That's the one.

Thanks
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Old 17-05-2011, 11:43 AM
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Re: Virus?
Actually, I think they're rather lovely!
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Old 20-05-2011, 06:23 PM
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Re: Virus?
Do you mean like these...?

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Old 26-05-2011, 04:04 PM
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Re: Virus?
Yep, that's the one.
Thanks for the pic martin
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