Phylloxera caryaeavellana
Hosts: Carya pallida, tomentosa, cordiformis, texana, glabra
Leaf gall: hazelnut [shaped]
Round and flat above; often slightly convex or sunken below leaf surface; crimson, green, or yellowish-green; diameter 5.0–10.0 mm; below globular and often with a hazelnut shape, light green, pubescent, and apex splits into several bracts at maturity.
Range: AL, AR, DE, LA, MS, OK, SC, TX
”- Fredericka Blair Hamilton: (2019) Species Diversity of Hickory-feeding Phylloxerans (Hemiptera: Phylloxeridae) in the U.S.©