Unknown p-balsamifera-horn-curl
The inducer of this gall is unknown or undescribed.
Hosts: Populus balsamifera
Detachable: integral
Color: green
Texture:
Abundance:
Shape:
Season: Spring
Related:
Alignment: integral
Walls:
Location: upper leaf, lower leaf, between leaf veins
Form: non-gall, leaf curl
Cells: not applicable
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.
Gallformers ID Notes
“
A severe leaf curl causing leaves to elongate and narrow at the base, opening toward the end in a distinctive fashion reminiscent of a phonograph horn, on Populus balsamifera. Observed in Alberta in May. Aphids were found within the curled leaves likely belonging to the genus Chaitophorus. It isn't clear if these aphids are responsible for the curling or are inquilines of another leaf-curl aphid.
”- Gallformers Contributors: (2024) Gallformers ID Notes©
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 p-balsamifera-horn-curl on iNaturalist. You can view them here:
