Forewings pale grey or whitish-grey, sometimes brownish-mixed, sprinkled or strigulated with dark grey, sometimes more or less wholly suffused with blackish; a blackish or dark fuscous streak along dorsum, forming triangular projections upwards before and beyond middle.

The larva is brown- blackish; dorsal stripe broadly whitish.

The larvae feed on the leaves and flowers of Ulmus and Fagus species.

[4] Other recorded food plants include Quercus, Lonicera and Acer pseudosieboldianum.

Media related to Ypsolopha vittella at Wikimedia Commons