Polystepha q-nigra-leaf-spot

The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Polystepha
Detachable: integral
Color: yellow, green
Texture: hairless
Abundance:
Shape:
Season: Fall
Related:
Alignment: integral
Walls: thin
Location: upper leaf, lower leaf, between leaf veins
Form: leaf spot
Cells: monothalamous
Possible Range:i
Common Name(s):
Synonymy:
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image of Polystepha q-nigra-leaf-spot
image of Polystepha q-nigra-leaf-spot
image of Polystepha q-nigra-leaf-spot
image of Polystepha q-nigra-leaf-spot
image of Polystepha q-nigra-leaf-spot
image of Polystepha q-nigra-leaf-spot
image of Polystepha q-nigra-leaf-spot
image of Polystepha q-nigra-leaf-spot

Gallformers ID Notes

A circular leaf spot on Quercus nigra, causing a very slight, barely noticeable swelling above, concolorous with the leaf, and a slightly thicker swelling below, yellow-green with a darker spot in the center. Observed in Texas in October.

- 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 q-nigra-leaf-spot on iNaturalist. You can view them here:
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