Megalopyge radiata is a moth of the family Megalopygidae.

It is found in Mexico and Brazil.

Adults are brown, the basal half of the forewings below the median vein much darker and outwardly bordered with white, where white lines extend towards the outer margin.

At the end of the cell is a large velvety brown spot and beyond the cell white lines radiate towards the apex and outer margin.

This article relating to the superfamily Zygaenoidea is a stub.