Rhopalomyia grossulariae gall - Rhopalomyia grossulariae 3 mi. E Charleston, Coles County, Illinois, USA March 27, 2012 Size: Gall width ca. 18mm
Gall collected on Ribes sp., USA: Illinois, Coles County, 3 mi. E Charleston, 25 March, 2012; photographed 27 March, 2012, by which time adults were emerging. Adult midge can be seen at arrow.
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