Phylloxera crypta Hamilton, sp. n.
Hosts: Carya aquatica
Galls: Round, slightly convex, and concolorous to surrounding leaf tissue on both surfaces of leaf with a slight depression in center above; diameter 3.5–4.6 mm. Below opening a green stem or thorn-like projection.
[A figure of the gall appears on page 131 of the pdf. A discussion of how to distinguish this gall from the similar P deplanata appears on page 81.]
Range: SC
”- Fredericka Blair Hamilton: (2019) Species Diversity of Hickory-feeding Phylloxerans (Hemiptera: Phylloxeridae) in the U.S.©