Diptilon gladia is a moth of the subfamily Arctiinae. It was described by E. Dukinfield Jones in 1914. It is found in Brazil.[2]
The wingspan is about 21 mm. The forewings are hyaline (glass like), with black veins and margins and a yellow spot at the base. The costal half of the hindwings is yellow with a black fascia below it. The inner area is hyaline with black margins.[3]