Callirhytis lapillula (agamic)
The inducer of this gall is unknown or undescribed.
Family: Cynipidae | Genus: Callirhytis
Hosts: Quercus bicolor / Quercus lyrata
Detachable: integral
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Location: fruit
Form: hidden cell
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Image by LH Weld © Public Domain / CC0Our 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.
Cynipid galls of the eastern United States
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Callirhytis lapillula
Quercus bicolor
Acorn galls
Separate cells in a group inside a mature lop-sided acorn in the fall.
"Similar to those of Callirhytis lapillula"
Quercus lyrata
Acorn galls
Separable cells inside a mature acorn in fall similar to those of Callirhytis lapillula. From GA, Feb 12.
[Photo caption]
On Q bicolor. Adults emerged the second and third springs between Apr 25 and May 16. There is a similar gall in the acorns of Q alba not described.
- LH Weld: (1959) Cynipid galls of the eastern United States©
Reference: https://www.biodiversitylibrary.org/item/273718#page/111/mode/1up
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