Cremastobombycia solidaginis is a moth of the family Gracillariidae. It is known from Ontario and Quebec in Canada, and Florida, Texas, Georgia, Kentucky, Maine, Maryland, Massachusetts, Connecticut and Michigan in the United States.
The wingspan is 7âÂÂ9 mm.
The larvae feed on Baccharis pilularis and Solidago species, including Solidago altissima, Solidago bicolor, Solidago caesia, Solidago canadensis, Solidago fistulosa, Solidago gigantea, Solidago patula and Solidago rugosa.