Rhopalomyia clarkei gall on Solidago rugosa adaxial leaf surface. Several galls like this were found in this goldenrod population, attached variously to the stem, buds, and either leaf surface. Centre Co., Pennsylvania. 25 Jul 2021
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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Conical, decumbent gall attached to leaf rib...Rhopalomyia clarkeae Felt
Galls are 1–2 mm long, inconspicuous, the same color as the leaf and usually on the underside...