Lasioptera lactucae
The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Lasioptera
Hosts: Lactuca canadensis
Detachable:
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Shape: hemispherical
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Location: stem
Form: tapered swelling
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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.
The plant-feeding gall midges of North America
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Tapered, woody stem swellings...Lasioptera lactucae Felt
Galls are 10β30 mm in length and usually near the base of the stem. Host: L. canadensis. Distr.: New Hampshire to Maryland
[figure shows a cluster of woody stem-outgrowths, bulging like blisters from the stem]
β- Raymond J. Gagne: (1989) The plant-feeding gall midges of North AmericaΒ©
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