Phylloxera myristica Hamilton, sp. n.

Hosts: Carya myristiciformis

Galls: Round, flattened, and yellowish-green with central depression in middle on adaxial leaf surface; round, more convex, and green with reticulated pattern on abaxial leaf surface.

Round and flattened above, yellowish-green and with a round depression in middle, diameter 2.0–2.9 mm; below round, more convex, and light green with a reticulated pattern. Opening below a brown nipple.

[A figure of the gall appears on page 145 of the pdf. A discussion of how to distinguish this gall from the similar P russellae appears on page 99.]

Range: SC

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