Phylloxera paludis

Family: Phylloxeridae | Genus: Phylloxera
Detachable: integral
Color: brown, green
Texture: pubescent, hairy
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Walls: ostiole
Location: upper leaf, lower leaf, leaf midrib, between leaf veins
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Species Diversity of Hickory-feeding Phylloxerans (Hemiptera: Phylloxeridae) in the U.S.

Phylloxera paludis Hamilton, sp. n.

Hosts: Carya aquatica

Galls: Round and shiny, convex, light green to brownish-green, slightly pubescent, and with shallow or deep depression in center on adaxial leaf surface; round and shiny, flattened and slightly convex, light green to brownish-green, and slightly pubescent on abaxial leaf surface, more convex above than below.

Round and more convex above, light green to brownish-green, shiny and slightly pubescent, with a shallow or deep depression in center, some with a seam along middle of circumference, and diameter 3.0–4.5 mm; below flattened and round, light green to brownish-green, shiny, and slightly pubescent. Opening below round and surrounded by 5–6 short bracts with pubescence at tips..

[A figure of the gall appears on page 147 of the pdf. A discussion of how to distinguish this gall from the similar P notabilis appears on page 102.]

Range: MS

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


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