Unknown q-macrocarpa-vein-swelling
The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Unknown
Detachable: integral
Color: brown, green, tan
Texture: hairy
Abundance:
Shape: spindle
Season: Fall
Related:
Alignment: integral
Walls: thin
Location: lower leaf, leaf midrib, on leaf veins
Form: tapered swelling
Cells: monothalamous
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
“
Slight tapered swellings along the midrib and major lateral veins of Quercus macrocarpa, showing more on the lower side of the leaf, containing a single midge larva. Very similar to Polystepha americana found on Quercus rubra. Observed in Texas in November on fallen leaves, galls still containing larvae. A similar gall was observed on veins of Quercus muehlenbergii in Ohio in July.
”- 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 q-macrocarpa-vein-swelling on iNaturalist. You can view them here:
