Bucculatrix alaternella is a moth species in the family Bucculatricidae. The species was first described in 1890 by Alexandre Constant. It is found in France, Spain and Portugal.Fauna Europaea
The wingspan is about 9 mm.lepiforum.de
The larvae feed on Rhamnus alaternus. They mine the leaves of their host plant. Larvae can be found from October to November.
References
Natural History Museum Lepidoptera generic names catalog