Nationally scarce (Nb) in woodland throughout much of the British Isles. There are no recent records from Hampshire or the Isle of Wight, from where there is one old record in the Yarmouth area. Wingspan 17-23 mm. The long, relatively narrow forewing and its dark general coloration, and the widely separated triangular subbasal and subquadrate postmedial blotches, are characteristic [Bradley]. Larva feeds on Aspen, living within a spun or rolled leaf.