It is pale greenish to white, with postmedial and antemedial faint lines that run continuously across the forewings and hindwings.

The caterpillars are about 4 cm in length and mottled gray to reddish, pale underneath, with a dark band from the top of the head to the eye.

The caterpillars strongly resemble twigs and the fringe is a form of shadow eliminating camouflage.

(video of a pale beauty caterpillar shedding its skin to become a pupa) The larvae are general feeders and have been recorded consuming 65 different species of shrubs and trees.

[5] It may overwinter on tree trunks or branches, without seeking shelter from winter conditions, similar to its European cousin Campaea margaritata.