Gallformers

Explore the seasonal timing of gall development and emergence with our phenology tool

🗓️ Phenology Tool

Unknown q-macrocarpa-petiole-cluster

The inducer of this gall is unknown or undescribed.

Family: Cynipidae | Genus: Unknown

Hosts: Quercus macrocarpa

Detachable: detachable

Color: brown, tan

Texture: hairless

Abundance:

Shape: globular, cluster

Season: Fall

Related:

Alignment:

Walls: thick

Location: petiole

Form:

Cells: monothalamous

Possible Range:ⁱ

Common Name(s):

Synonymy:

image of Unknown q-macrocarpa-petiole-cluster

Fully grown cluster in October

Image by Kimberlie Sasan © CC-BY

Cross section of an individual gall in November

Image by Kimberlie Sasan © CC-BY

Young gall in August

Image by Kimberlie Sasan © CC-BY

Fallen clusters in November showing the location and appearance of the attachment point

Image by Kimberlie Sasan © CC-BY

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.

Gallformers ID Notes

“

A cluster of tan-brown globular galls on the base of petioles of Quercus macrocarpa. Similar to galls of Andricus quercusstrobilanus but always globular, sometimes flattened at the intersection of two galls but never with the raised geometric facets that define that gall. Observed in Texas from August through November.

”

Further Information:

Author(s)

▲

Year

▲

Title

▲

License

▲

Gallformers Contributors

2024

Gallformers ID Notes

https://creativecommons.org/publicdomain/mark/1.0/

See Also:

Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value q-macrocarpa-petiole-cluster on iNaturalist. You can view them here: