Aenetus ramsayi, the swift ghost moth, is a moth of the Hepialidae family. It is known from Queensland and New South Wales. The wingspan is 100 mm for females and 80 mm for males. Females have green forewings with white markings and pale orange hindwings. Males have blue-green forewings with white markings and blue-green hindwings. Adults are on wing from February to March. The larvae feed on various trees and saplings, including Diploglottis australis, Alectryon, Syzygium smithii and Eucalyptus grandis. They bore in the stem of their host plant.