Contarinia c-integerrimus-midrib-fold-gall-midge
The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Contarinia
Detachable:
Color: green
Texture: hairy
Abundance:
Shape: globular
Season: Spring, Summer
Related:
Alignment:
Walls:
Location: lower leaf, leaf midrib, on leaf veins
Form:
Cells: monothalamous
Possible Range:i
Common Name(s): Midrib Fold Gall Midge
Synonymy: 
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.
Plant Galls of the Western United States
“
Midrib Fold Gall Midge
Contarinia sp.
This midge induces densely hairy midrib galls on the underside of leaves of deer brush and tobacco brush in California and Oregon. Monothalamous galls often coalesce to form what appears as a single linear fold (polythalamous). The midrib remains prominent along the bottom edge of the galls.
Host:
Ceanothus velutinus
Ceanothus integerrimus
- Russo, Ronald A. : (2021) Plant Galls of the Western United States©
Further Information:
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See Also:
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value c-integerrimus-midrib-fold-gall-midge on iNaturalist. You can view them here:
