Bucculatrix phagnalella is a moth of the family Bucculatricidae. It is found in mainland Spain and on Mallorca, Rhodes and the Canary Islands.[1] It was described in 1908 by Thomas de Grey, 6th Baron Walsingham.
The wingspan is 7–8 mm. The forewings are whitish, thickly sprinkled with fuscous and fawn-brown scaling. The hindwings are shining pale grey.[2]
The larvae feed on Phagnalon saxatile. They mine the leaves of their host plant.[3] The larvae can be found from November to December.