Unknown a-triphylla-purple-leaf-spot

The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Unknown
Detachable: integral
Color: black, purple
Texture: bumpy, areola
Abundance:
Shape: numerous
Season: Summer, Spring
Related:
Alignment: integral
Walls:
Location: upper leaf, lower leaf, on leaf veins, between leaf veins
Form: leaf spot
Cells:
Possible Range:i
Common Name(s):
Synonymy:
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image of Unknown a-triphylla-purple-leaf-spot
image of Unknown a-triphylla-purple-leaf-spot
image of Unknown a-triphylla-purple-leaf-spot

Gallformers ID Notes

Numerous purplish leaf spots on the upper leaf of Achlys triphylla. The spots turn brown, later black, with age. Observed in Washington and British Columbia in June and August.

- Gallformers Contributors: (2023) Gallformers ID Notes©


Further Information:
Pending...

See Also:
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value a-triphylla-purple-leaf-spot on iNaturalist. You can view them here:
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