Nemophora cupriacella is a moth of the family Adelidae that is found in most of Europe.
The wingspan is . The head is ferruginous, forehead in male black. The antennae in male with basal l/8 clothed with rough scales above, in female gradually thickened towards base. The forewings are shining golden - bronze, usually more coppery posteriorly with sometimes a faintly indicated darker postmedian fascia. Hindwings dark purplish-fuscous.
Adults are on wing from the end of June to July.
The larvae feed on Knautia, Succisa and Scabiosa species.