Walshomyia j-osteosperma-cone-gall

In Progress

The inducer of this gall is unknown or undescribed.

Gallformers Code:

View observations collected with this code on iNaturalist. Learn more about how it works and how you can help.

Family: Cecidomyiidae (Midge) | Genus: Walshomyia

Hosts: Juniperus californica / Juniperus monosperma / Juniperus occidentalis / Juniperus osteosperma

Detachable: Detachable

Color: brown, orange, green

Texture: honeydew, glaucous, spiky/thorny

Abundance:

Shape: conical, cluster

Season:

Alignment:

Walls:

Location: bud

Form:

Cells:

Possible Range:

Loading map...

Common Name(s): Juniper Cone Gall Midge, Cone Gall Midge (Walshomyia sp. B)

1 / 4

On Juniperus monosperma. Photographed in New Mexico in November.

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

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

The plant-feeding gall midges of North America - Raymond J. Gagne (1989) [Link]

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