The caption calls this the sexgen gall of punctatus, which is also pictured elsewhere with a distinct appearance. This is considered likely to be intended to be clavigera sexgen based on the labelling in the text, but that also refers to the wrong image (Plate 2 (5) rather than (6))

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Source: Plant Galls and Gall Makers

License: CC-BY

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Creator: EP Felt

Uploader: adamjameskranz

Last Modified: adamjameskranz

Caption: The caption calls this the sexgen gall of punctatus, which is also pictured elsewhere with a distinct appearance. This is considered likely to be intended to be clavigera sexgen based on the labelling in the text, but that also refers to the wrong image (Plate 2 (5) rather than (6))

Image by EP Felt © CC-BY