Harmandiola p-tremuloides-bead-gall

The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Harmandiola
Detachable: integral
Color: green
Texture: hairless
Shape: globular
Season: Summer
Alignment: erect
Location: upper leaf, leaf midrib, on leaf veins
Cells: monothalamous
Possible Range:i
Common Name(s):
missing image of Harmandiola p-tremuloides-bead-gall

Plant Galls of the Western United States

Harmandia sp. B
Bead-gall midge
[Page 68]

The bead galls of this midge on aspen leaves are easily distinguished from galls of Harmandia sp C by having openings at the top of each gall, even if they are temporarily plugged with fibrous strands.

- Russo, Ronald A. : (2021) Plant Galls of the Western United States©

Further Information:

See Also:
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value p-tremuloides-bead-gall on iNaturalist. You can view them here:
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