Macroglossum prometheus is a moth of the family Sphingidae.
It is known from south-east Asia and Queensland.
The wingspan is about 50 mm.[1] There is a prominent, subapical, costal, grey patch on the forewing and a sharply defined distal border on the hindwing. Both wing undersides are brown, shaded with khaki, the yellow anal area contrasts sharply. The hindwing upperside has a yellow band which is very sharply defined.