Phylloxera chippokesiensis Hamilton, sp. n.

Hosts: Carya cordiformis

Galls: Round and convex with depression or central elevation near middle, shiny and slightly pubescent, and green or yellowish-green on adaxial leaf surface.

Round and convex above, a depression or a central elevation near middle, green or yellowish-green, and shiny and slightly pubescent; diameter 1.4–2.4 mm; below more convex with a light green thorny projection; transparent especially near base; thorn-like opening splits into several long bracts at maturity.

[A figure of the gall appears on page 129 of the pdf. A discussion of how to distinguish this gall from the similar P caryaesemen appears on page 79.]

Range: VA

- Fredericka Blair Hamilton: (2019) Species Diversity of Hickory-feeding Phylloxerans (Hemiptera: Phylloxeridae) in the U.S.^©