Wingspan c. 10-12mm.
Only recently added to the British list when it was discovered in Cornwall, this species is now known from a number of English counties, although due to confusion with other species, details of its distribution are limited.
It is externally very similar to a number of other Coleophorids and is only safely identified by dissection.
The larval foodplants are blackthorn (Prunus spinosa), apple (Malus) and dwarf cherry (Prunus cerasus), the larva forming a case similar to that of P. coracipennella.
Gen. preps (Dissection group website):
C. prunifoliae male
C. prunifoliae female