They pupate in a tough cocoon on the tree trunk, and camouflage it with bits of bark. When the adult is ready to emerge, it exudes fluid to weaken one end of the cocoon, making it easier to break through it.
(Specimen: courtesy of the Macleay Museum, University of Sydney)
The adult moths of this species have forewings which are white with black spots all over them. The hindwings are brown with black and white chequered edges. The moths have a wingspan of about 6.5 cms.
The species is found only in the south west quarter of Australia
Further reading :
Ian F.B. Common,
Moths of Australia,
Melbourne University Press, 1990, p. 421.
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