Forewing reddish grey, varied with fuscous; the nervures and inner margin lined with green scales; a strong black streak from base below cell; lines finely black, the inner sharply angled outwards at the end of the basal streak, the outer marked with a bright white crescent on submedian fold; stigmata all large, pale pinky brown, outlined with black; a diffuse black shade to termen below vein 2; submarginal line faintly paler, the area before it generally paler; hindwing luteous whitish in male, grey in female.

(31 g h) is a form restricted, apparently, to the British Isles, rich deep brown with darker shading in the male, darker duller brown in the female, with the lines and markings distinct, the hindwings of the male often rufous-tinged; in this the green scaling is altogether absent; — corsica Spul.

[now full species Allophyes corsica (Spuler, 1905)] from the Island of Corsica is said to be paler, of a more vivid yellowish red colour; — pallida Tutt, from Ireland and Berkshire, has pale reddish grey forewings, with only a slight amount of green along inner and outer margins.

Larva dull slaty grey or brownish grey, covered with irregular-shaped black marks; on each side of segment 4, which is slightly raised, an oblique dark streak; tubercles pale on dark spots; spiracles fine, white, with black rings.

The moth flies from September to November, depending on the location and feeds at ivy-blossom, overripe fruit and comes to sugar.