Saturday, December 27, 2008

Oak Apple Gall

Galls are rather common on oak trees. They're formed by the tree when a wasp introduces chemical stimulus. The result of this activity is to provide a nest for a wasp larvae to develop.

Just like everything else that gets on the specimen list, there is so much to learn! Wasp species and gall types...on it goes. I think what we have here is the Oak Apple Gall, Amphibolips confluenta.

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