Rhopalomyia rugosa
The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Rhopalomyia
Hosts: Artemisia tridentata
Detachable:
Color: green
Texture: hairy
Abundance:
Shape: globular
Season:
Related:
Alignment:
Walls:
Location: upper leaf
Form:
Cells: monothalamous
Possible Range:i
Common Name(s):
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.
Biology and taxonomy of the Rhopalomyia Gall Midges (Diptera: Cecidomyiidae) of Artemisia tridentata Nuttall (Compositae) in Idaho
“
Two adults emerged within 2 weeks after galls were collected May 9, 1989 at Site 6.
This monothalamous gall develops from the upper surface of a persistent leaf. The coloration and pubescence of the gall surface is similar to that of the unaffected leaf. At maturity it is prune-shaped. Internally, a central cavity is lined with sclerenchyma. Only two galls, both occurring on the same leaf, were found during this study. They were 4 mm in height and 2 and 3 mm respectively in diameter.
”- Robert G. Jones, Raymond J. Gagné, William F. Barr: (1983) Biology and taxonomy of the Rhopalomyia Gall Midges (Diptera: Cecidomyiidae) of Artemisia tridentata Nuttall (Compositae) in Idaho©
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