The Eastern Red Lacewing (Cethosia cydippe) is a species of butterfly from Australia, New Guinea and nearby islands. The Australian subspecies, C. c. chrysippe, is known as the red lacewing butterfly.
The imagines have scarlet wings with thick black edges and a diagonal white patch on the forewings. The underside is orange with similar white patches, and lines of black spots, each with a white outline. The wingspan is around 8 centimetres (3.1 in). source