Cynips q-kelloggii-acorn-cup-gall-wasp

Complete

The inducer of this gall is unknown or undescribed.

Gallformers Code:

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Family: Cynipidae (Wasp) | Genus: Cynips

Hosts: Quercus agrifolia / Quercus kelloggii

Detachable: Integral

Color: brown, green

Texture: hairy

Abundance: occasional

Shape:

Season: Summer

Alignment: integral

Walls:

Location: fruit

Form: abrupt swelling

Cells: monothalamous

Possible Range:

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Common Name(s): Acorn Cup Gall Wasp Unknown #1

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On Quercus agrifolia

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 (3)

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

License: Public Domain / CC0

Field Guide to Plant Galls of California and Other Western States - Russo, Ron (2006) [Link]

Plant Galls of the Western United States - Russo, Ronald A. (2021) [Link]

Created Feb 4, 2026 1:47 PM UTC • Last updated Feb 4, 2026 1:47 PM UTC