Bucculatrix copeuta is a moth in the Bucculatricidae family. It is found in North America, where it has been recorded from Ontario and Maine. The wingspan is 6.5–7 mm. The forewings are lustrous white, with pale ocherous and lightly dusted costal and dorsal streaks. The hindwings are pale silvery grey. Adults have been recorded on wing in May. The larvae possibly feed on Prunus pensylvanica.