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Gall type #15
Weld (1957) Figure 50.
Russo (2021) Page 133, Plate 177. [Flower Gall Wasp, Unknown #14]
Woolly male catkin galls in spring, along the staminate axis.
Have seen on Quercus chrysolepis and Quercus vacciniifolia
Contra Costa, El Dorado, and San Mateo Counties (California)
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IMAGE 1
August 7, 2011
Contra Costa County
Host Quercus chrysolepis.
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IMAGE 2
May 24, 2009
Contra Costa County
Host Quercus chrysolepis.
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IMAGE 3
This catkin has woolly staminate
galls and also smooth filament galls
as in Gall Type #14
August 7, 2011
Contra Costa County
Host Quercus chrysolepis.
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