Phylloxera williamsi

Complete

Family: Phylloxeridae (True Bug) | Genus: Phylloxera

Hosts: Carya cordiformis

Detachable: Integral

Color: yellow, green

Texture: pubescent, hairy

Abundance:

Shape: globular

Season: Spring, Summer

Alignment: integral

Walls: slit

Location: upper leaf, lower leaf, between leaf veins

Form:

Cells: monothalamous

Possible Range:

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On Carya cordiformis, lower leaf

Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.

Further Information (2)

Gallformers ID Notes - Gallformers Contributors (2026) [Link]

License: Public Domain / CC0

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