Bucculatrix disjuncta is a moth in the Bucculatricidae family. It is found in North America, where it has been recorded from Colorado. The wingspan is about 7.5 mm. The forewings are white, sparsely dusted with pale ocherous-tipped scales. The markings are formed by groups of ocherous and black-tipped ocherous scales. The hindwings are silvery, faintly ocherous tinged. The larvae feed on Ceanothus species. Pupation takes place in a white cocoon.