Blaesodiplosis amelanchier-hook-gall

The inducer of this gall is unknown or undescribed.
Detachable: integral
Color: red
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Season: Spring, Summer
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Walls:
Location: upper leaf, between leaf veins
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Possible Range:i
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Name
Notes
Eriophyes amelanchieri
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Insect galls of Springfield, Massachusetts, and vicinity

Eriophyes amelanchieri n. s. June-berry mite-gall.
These rounded galls occur in great numbers upon the leaves. On upper side they are globular, below they open by a prolonged tube which on maturity splits in two at the end, allowing the insect to emerge. Usually red above, light yellow-green below. About 2 mm above, 1-8 mm below. On June-berry, Amelanchier canadensis, June.

- FA Stebbins: (1910) Insect galls of Springfield, Massachusetts, and vicinity©

Reference: https://www.biodiversitylibrary.org/item/71437#page/43/mode/1up


Further Information:
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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 amelanchier-hook-gall on iNaturalist. You can view them here:
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