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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Viguiera
Swollen stem...Neolasioptera sp.
Galls were collected in winter, and adults were reared in spring. Swellings can be slight. Host: V. annua. Distr.: Arizona
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value h-longifolia-swollen-stem-gall on iNaturalist. You can view them here: