Sower Gall

Here is something very interesting. These are leaf galls. Galls are irregular plant growths which are stimulated by the reaction between plant hormones and powerful growth regulating chemicals produced by some insects or mites. Galls may occur on leaves, bark, flowers, buds, acorns, or roots. The wasp that causes wool sower galls is called the Callirhytis seminator wasp. It's a tiny species of wasp that lays its eggs in the leaf buds of oak trees, leading to the formation of those unique galls.

The wasps create wool sower galls by laying their eggs in the leaf buds of oak trees. When the eggs hatch, the larvae release chemicals that stimulate the tree to form the gall, which provides food and protection for the growing wasp larvae. They may look unusual, but they don't cause any significant damage or pose a threat to the overall health of the oak tree.

For a professional opinion on any tree-related issues, contact Dalton Tree Consulting.

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