Unknown (Unknown) u-americana-petiole-gall
The inducer of this gall is unknown or undescribed.
Gallformers Code:
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Hosts:
Ulmus americana
Detachable: Integral
Color:
Texture:
Abundance:
Shape: globular
Season:
Alignment:
Walls: thick
Location: petiole, leaf midrib
Form:
Cells: monothalamous
Possible Range:
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Further Information (1)
Insect galls of Springfield, Massachusetts, and vicinity
- FA Stebbins
(1910)
License: Public Domain / CC0
Created Feb 4, 2026 1:47 PM UTC
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Last updated Feb 4, 2026 1:47 PM UTC