Garden after unseasonal heavy rain in September.
According to ozanimals.com:
'The Fuscous Swallowtail is a large dark brown butterfly with thin white or yellow band on the forewings and a white or yellow band on the hindwings. The female is larger and lighter brown, with a blue, brown and orange patterned border outside the white band on the hindwings. The hindwings have a long lobed tail.
Other Names: Canopus Swallowtail
Size: wingspan: male 85mm; female 91mm
Habitat: rainforest and vine forest
Food: larvae feed on various rainforest plants including Halfordia, Micromelum, Citrus and Murraya.
Range: found along east coast of Australia from Cape York Peninsula to northern New South Wales. There is also a subspecies found in top end of Northern Territory and coastal regions of far north Western Australia