Rhopalomyia gemmaria
The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Rhopalomyia
Hosts: Symphyotrichum ericoides
Detachable: detachable
Color: gray, yellow, green
Texture: pubescent, woolly, hairy
Abundance:
Shape: globular
Season: Summer, Fall
Related:
Alignment:
Walls: thin
Location: bud, flower
Form:
Cells: monothalamous
Possible Range:i
Common Name(s):
Synonymy: Name
β²Notes
Cecidomyia gemmaria
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.
The plant-feeding gall midges of North America
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Galls among the flowers or modified flowers...
Gall ovoid, white-haired, larger than florets...Rhopalomyia spp.
Galls are sessile and widest at base, 4β7 mm long by 3β5 mm in diameter, one-celled, ovate, pointed at apex, and green with white down. Adults have been reared from the galls in fall. The three species listed are too incompletely known to determine whether they are synonyms. ...similar galls have been taken on an aster in Nebraska.
R. crassulina Cockerell. Host: A. crassulus. Distr.: Colorado.
R. gemmaria (Stebbins). Host: A. ericoides. Distr.: Massachusetts.
R. lateriflorae Felt. Host: A. lateriflorus. Distr.: Massachusetts and New York.
- Raymond J. Gagne: (1989) The plant-feeding gall midges of North AmericaΒ©
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