Local in hedgerows, woodland margins and scrubland throughout much of England. In Hampshire largely restricted to the south-east of the county and known from the Isle of Wight only from the north-west. Wingspan 9-11 mm. Differs from C. adjectella
in having dark-tipped scales over much of the forewing; C. trigeminella
has dark-tipped scales nearly confined to wing-apex (MBGBI Vol 3). Larva mines leaves of English and Small-leaved Elm, preferring young trees, and living within a movable case; case length 5-6 mm.