Meganoton nyctiphanes, the dull double-bristled hawkmoth, is a moth of the family Sphingidae.
It is known from Sri Lanka, India, Bangladesh, Myanmar, the Nicobar Islands, the Andaman Islands, south-eastern China, Thailand, Vietnam, Malaysia, Sumatra, Indonesia and the Philippines (Palawan).
The wingspan is 120âÂÂ140 mm.
The larvae have been recorded feeding on Symphorema involucratum in Thailand.