Oak Galls

Our oak tree makes an endless supply of acorns, but it also makes something else.... It also makes galls. Here is a picture of one of them. My kids love to find these. They quickly crush them and check for bugs inside. Why do they do that? Because I told them that bugs lived inside the galls, and they did.

Wasps infect the trees and use them to overwinter their larva. Every once in awhile we will find a gall that is green with pink dots. It almost looks like an alien pod of some sort. They are spongy and filled with all kinds of interesting parts. I'll try to save one next spring and take a picture of the contents.

When we crush the brown ones, they are empty. The larva has escaped and is out in the world ready to repeat the cycle.


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