The wingspan is 12–15 mm. Adults are on wing in June and July.
The larvae feed on Populus nigra, Populus alba and Populus tremula and is considered a minor pest on these species. Young larvae feed on the underside of the leaf in an angle of the veins, living beneath a silken web and eating the surface of the leaf. Later they feed in the buds, moving from bud to bud.
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