Phylloxera killianae Hamilton, sp. n.

Hosts: Carya glabra

Galls: Round and slightly convex, covered in resin-like droplets which make it appear to sparkle with several long white hairs present on adaxial surface and on abaxial surface of leaf around opening.

Round and slightly convex above and below, covered in crimson resin-like droplets with several long white hairs on surface above, and diameter 0.9–1.5 mm; below opening round and surrounded by long white hairs.

[A figure of the gall appears on page 142 of the pdf. A discussion of how to distinguish this gall from the similar P pilosula appears on page 95.]

Range: NC

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