Oak Vein Pocket Galls

This was a new one for me …

IMG_3174 crop

Oak vein pocket galls apparently result from the larval stage of small flies called gall midges.


The tiny maggots move to the leaf vein and begin eating. This causes gall tissue to form and to cover the feeding larvae in a few days. Adult gall midges are teeny flies that grow to 3mm.


2 responses to this post.

  1. I’ve seen a lot of different galls but never these,


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