Unknown a-triphylla-purple-leaf-spot
The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Unknown
Hosts: Achlys triphylla
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: 
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
“
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: (2024) Gallformers ID Notes©
Further Information:
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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:
