Blastobasis desertarum is a moth in the family Blastobasidae. It is found on Madeira and the Azores.[1] The species was recorded from greenhouses in Berlin in 2005, where it was incidentally introduced.
It is regarded a pest on ornamental plants. The larvae feed on Aeonium and other Crassulaceae species. They feed within the stem and tunnel in the roots of their host plant.[2]