In later instars, the caterpillars become green with a yellow dorsal stripe, scattered yellow dots, and a thin yellow stripe along each side. They also have two short blunt yellow horns above the head, and a short yellow knob on the tail. The head is off-white with black speckles.

(Photo: copyright Cathy Young)

The adult moths have forewings that are pale brown with an arc of brown dots.

(Photo: copyright Cathy Young)

Further reading :

Catherine J. Young,
Characterisation of the Australian Nacophorini and a Phylogeny for the Geometridae from Molecular and Morphological Data, Ph.D. thesis, University of Tasmania, 2003.

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(updated 29 April 2005)