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 deformation and stunting of a fruit on Frangula californica. Observed in California in September. This may or may not be the same species as Russo's Flower-Gall Midge.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value f-californica-fruit-gall on iNaturalist. You can view them here: