Argyresthia semifusca is a moth of the family Yponomeutidae.

Forewings are dark purplish-bronzy-fuscous; a thick white dorsal streak to tornus, interrupted by a median spot of ground-colour; costa marked with minute white dashes, posteriorly with three or four white strigulae.

[2] [3] Adults are on the wing from June into late August/early September depending on the location.

The larvae feed on Crataegus and Sorbus aucuparia.

This article on a moth of the family Yponomeutidae is a stub.