Schizomyia r-ilicifolia-swollen-flower-club

The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Schizomyia
Detachable: integral
Color: red, green
Texture: mottled, spotted
Abundance:
Shape: globular, spindle
Season: Summer, Fall
Related:
Alignment: leaning
Walls: thin
Location: flower
Form:
Cells:
Possible Range:i
Common Name(s):
Synonymy:
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image of Schizomyia r-ilicifolia-swollen-flower-club
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image of Schizomyia r-ilicifolia-swollen-flower-club

Gallformers ID Notes

A spindle-shaped apparent swelling of the flower on Rhamnus ilicifolia and Rhamnus crocea, causing it to resemble a small club. The gall is mottled with shades of red usually ranging from bright to a maroon color. Galls cause swellings on the flowers and are apparently hollow.

Observed in California in May on Rhamnus ilicifolia and in October on Rhamnus crocea. This gall is also apparently known from several photographs on Flickr, also observed in California in March and November, among others.

In October 2021, Dr. Raymond Gagne received specimens and confirmed that they were of the genus Schizomyia.

- 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 r-ilicifolia-swollen-flower-club on iNaturalist. You can view them here:
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