The head and thorax are whitish, streaked with dark fuscous.

Forewings with apex acutely produced; whitish, more or less sprinkled with light purplish fuscous and black, veins ferruginous-brown; dorsal half more or less wholly suffused with dark purplish-fuscous, with one or two black streaks, a dorsal streak darker; three blackish scale tufts below fold and one above tornus.

The larva is green: dorsal line broad, white; dots black.

[1] The moth flies from July to September depending on the location.

Media related to Ypsolopha scabrella at Wikimedia Commons