Leucoptera spartifoliella is a species of moth in family Lyonetiidae known by the common name Scotch broom twig miner. It is used as an agent of biological pest control against the noxious weed known as Scotch broom (Cytisus scoparius). The adult is a tiny white moth about four millimeters long. It differs from Leucoptera laburnella as follows : forewings with anteapical spot of costa more oblique,its margins rather converging downwards, metallic post-tornal spot more broadly black-edged, usually preceded by a yellowish mark.