A large (3.8-4.2 cm wingspan) grey and brown moth. The forewings are a smooth, slightly mottled ash grey, with a large blackish red-brown patch filling the posterior half between the antemedian and postmedian lines. There is also a small dark patch near the apex. Sections of the antemedian and postmedian lines bordering the dark patch are pink, and the top of the patch is bordered by a thin silver-white open U or V-shaped stigma. Hindwings are dull brown. The antennae are simple and both the sexes are alike. Very similar to Syngrapha epigaea, which lacks the dark apical patches and has less prominent dark median patchs, as well as the structural differences which separate the two genera.