Stigmella confusella is a moth of the Nepticulidae family. It is found from Fennoscandia to the Pyrenees, Alps and Bulgaria and from Ireland to central Russia. The wingspan is 5–6 mm. Adults are on wing in May. There is one generation per year. The larvae feed on Betula species, including Betula nana, Betula pendula and Betula pubescens. They mine the leaves of their host plant. The mine consists of a long and slender gallery. The corridor follows veins over long distances.