Euura s-irrorata-irregular-stem-swelling
The inducer of this gall is unknown or undescribed.
Family: Tenthredinidae | Genus: Euura
Hosts: Salix irrorata
Detachable: integral
Color: white, green
Texture: hairless
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Alignment: integral
Walls:
Location: stem
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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
“
These lopsided stem swellings were only found on a few nearby Salix irrorata, despite that plant being common at the location it was found. The galls are the same color as the stem, light green with a waxy white coating. They often just protrude from one side of the stem, similar to Euura lasioplesis as depicted in Russo 2021. An older gall on the same plant as the original gall was full of frass when opened, which suggests that the inducer is a sawfly.
”- Gallformers Contributors: (2024) Gallformers ID Notes©
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Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value s-irrorata-irregular-stem-swelling on iNaturalist. You can view them here:
