Unknown f-californica-tapered-twig-gall

The inducer of this gall is unknown or undescribed.
Family: Unknown | Genus: Unknown
Detachable: integral
Color: brown, gray, red
Texture: bumpy, hairy
Abundance:
Shape: spindle
Season: Fall
Related:
Alignment:
Walls: thin
Location: stem
Form: tapered swelling
Cells:
Possible Range:i
Common Name(s):
Synonymy:
Slide 1 of 2
image of Unknown f-californica-tapered-twig-gall
image of Unknown f-californica-tapered-twig-gall
image of Unknown f-californica-tapered-twig-gall
image of Unknown f-californica-tapered-twig-gall
image of Unknown f-californica-tapered-twig-gall
image of Unknown f-californica-tapered-twig-gall

Gallformers ID Notes

Tapered swellings on the twig ends of Frangula californica. The galls are thin-walled, and contain frass, indicating it may be induced by a sawfly, moth or beetle. Observed in California in October. A cross-sectioned gall in California revealed a moth caterpillar.

- Gallformers Contributors: (2023) Gallformers ID Notes©


Further Information:
Pending...

See Also:
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value f-californica-tapered-twig-gall on iNaturalist. You can view them here:
iNaturalist logo