Forewing pale grey, suffused with dark, except in a patch beyond cell hindwing white in male, greyer in female.

Larva dark grey, with granulated yellowish dots; segment 11 with a large yellowish-white dorsal patch; the hairs, which rise singly, whitish : head black with pale — In grumi Alph.

the forewing is narrower, the space between inner line and median shade conspicuously whitish; this form is found in West China.

ochrea Tutt has the ground colour distinctly ochreous; while in ab.

The hairy larva is grey with black and red markings and a white patch towards the rear.