Bucculatrix cidarella is a moth of the Bucculatricidae family. It is found in most of Europe (except the Iberian Peninsula and the Balkan Peninsula), Kazakhstan and Japan (Honshu). The wingspan is 8–9 mm. Adults are on wing May to June. At times there is a second generation in August. The larvae create a gallery mine in the leaves of Alnus glutinosa, Alnus incana, Alnus viridis or Myrica gale.