The wingspan is 9–10 mm. The forewings are dark bronzy fuscous; from five to seven white streaks from posterior half of costa, first markedly broadest and most oblique, others sometimes
bright leaden -metallic in disc; a curved very oblique white streak from middle of dorsum, reaching half across wing; an erect silvery-metallic mark before tornus; a silvery-metallic mark along tornal margin; a blackish apical spot; dark line of cilia indented below apex; a dark hook above apex. Hindwings are grey.The larva is pale yellow; head and plate of 2 black[2]
Adults are on wing from June to July in one generation per year.[3]
The larvae feed on Sedum acre and Sedum anglicum. They mine the leaves of their host plant. Pupation takes place outside of the mine.[4] Full-grown larvae can be found in late May. The larvae are pale yellow with a black head.
^Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf This article incorporates text from this source, which is in the public domain. Keys and description
