It is known from the Australian states of New South Wales and Queensland.
The wingspan is about 130 mm, making it Australia's largest hawk moth.
Adults are yellow and brown with broad wavy markings.
[2] The larvae feed on Banksia ericifolia, Grevillea robusta, Hakea dactyloides, Macadamia integrifolia, Persoonia levis and Stenocarpus sinuatus.
Full-grown larvae are about 100 mm long.