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.
Plant Galls of the Western United States
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Unknown #61
Columnar-gall wasp
Hosts: Quercus grisea
These tubular or column-like galls stand alone, with one to four galls per leaf, and measure 6 mm high by 2 mm in diameter.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value q-grisea-columnar-gall on iNaturalist. You can view them here: