Janetiella ulmii
The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Janetiella
Hosts: Ulmus americana / Ulmus crassifolia
Detachable: integral
Color: pink, red, yellow, green, purple
Texture: hairy
Abundance:
Shape:
Season: Summer
Related:
Alignment: integral
Walls: thin
Location: lower leaf, leaf midrib, on leaf veins
Form: abrupt swelling, pocket
Cells:
Possible Range:i
Common Name(s):
Synonymy: Name
▲Notes
Cecidomyia ulmii
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.
New species of gall-producing cecidomyidae
“
Cecidomyia ulmii sp. nov.
Gall.--This is made by folding and growing together of the small, immature, terminal leaves or leaf-buds of the American elm (Ulmus americana), causing them to swell into galls.
Habitat: NY
The gall may be found during June and July. The imago emerges during the same months.
”- William Beutenmuller: (1907) New species of gall-producing cecidomyidae©
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