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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Abrupt stem swellings on Brickellia californica. The galls are usually large, and often have stems or leaves protruding from them. The gall walls are thick and hard, with a single small cell located centrally. Adults were reared in April in New Mexico and determined to be an undescribed Procecidochares species.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value b-californica-abrupt-stem-swelling on iNaturalist. You can view them here: