Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.
Gallformers ID Notes
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A slight swelling and twisting of the midrib or major side vein of Quercus alba, causing the leaf to bend sharply toward the ground. Multiple swellings may occur along the same leaf, causing the leaf to curl substantially. Observed in Michigan in September.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value q-alba-vein-bend on iNaturalist. You can view them here: