Knopper Gall

I have never seen such deformed acorns. I had to look it up and this is caused by the knopper gall wasp laying eggs within the tree buds.

[Babs]

So interesting. Never seen anything like this either.

[Sylvia du Toit]

Thanks for sharing.

[Esther Rosenberg]

Interesting, never knew.

[Diana]

What an unusual find, thanks for the info.

[Patricia McPhail]

Thanks for sharing this interesting fact - I had never heard of this.