Rare (proposed as a future Red Data Book species) in hedgerows in south-east and south-west England, in the north of England and throughout Ireland (MBGBI Vol 2). Not recorded in Hampshire or on the Isle of Wight to date. Wingspan 7-9 mm. Similar to P. insignitella. Larva mines leaves of Bush Vetch, over-wintering as a pupa in a cocoon.