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 small, narrow, conical gall extending to the lower side of a leaf vein on Quercus marilandica. The type gall was pubescent to a degree similar to the surrounding leaf. A cross-section revealed thin walls containing a single pupa with no additional cell.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value q-marilandica-spike-gall on iNaturalist. You can view them here: