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 Gall Midges (Diptera: Cecidomyiidae: Cecidomyiinae) From Allegheny County Pennsylvania
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...reared from stems of Laportea canadensis.
[elsewhere emphasizes that all Neolasioptera species form galls]