About Rhopalomyia anthophila (Osten Sacken, 1869)
Rhopalomyia anthophila, commonly called the Downy Flower Gall Midge, is a species of gall midge. It is an insect belonging to the family Cecidomyiidae. This species causes galls to form on its host plant Solidago altissima, and it is found across much of North America.