Cedestis subfasciella is a moth of the family Yponomeutidae. It is found in almost all of Europe, except part of the Balkan Peninsula.[1]
The wingspan is 9–11 mm. The forewings are brown slightly reddish-tinged, towards base and apex whitish-sprinkled; a somewhat curved white fascia before middle, preceded by a darker fascia ; indistinct whitish tornal and opposite costal spots; 5 and 10 absent. Hindwings are grey.The larva is pale brown, greener dorsally ; head and plate of 2 black[2]
Adults are on wing from March or April[3] to September or October.[3]
The larvae feed on Abies alba, Pinus mugo, Pinus nigra and Pinus sylvestris. They mine the needles of their host plant. Pupation takes place outside of the mine[4] in a cocoon on the ground.[5] Larvae can be found from December to March or April.