Notes:
Nationally scarce (Na) on chalk downland and heathland in south-central England, where restricted to Hampshire and adjoining counties. In Hampshire recorded from the New Forest, where cases are found on trunks of Alder Buckthorn, and on the chalk, where found in small numbers in scrub containing Buckthorn. Not recorded from the Isle of Wight to date. Wingspan 10-13 mm. The main confusion species is C. potentillae but usually slightly larger and with small differences in the coloration of the inner side of the labial palpus and the hindleg (MBGBI Vol 3). Larva mines leaves of Buckthorn or Alder Buckthorn, living within a movable case; case length 5.5-7 mm.
