Unknown #18
Squash-neck-gall wasp
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Hosts: Quercus palmeri
When fresh, these monothalamous, cylindrical or spindle-shaped galls have a sparse granular coating and are slightly mottled green and brown with an obvious long neck at the apex.
Range: Santa Rosa Mountains and Owen's Peak Wilderness, CA
”- Russo, Ronald A. : (2021) Plant Galls of the Western United States©