Fenton’s Wood White (Leptidea morsei) is a butterfly of the Pieridae family. It is found from central Europe to Siberia, Ussuri, Korea, northern China and Japan. The habitat consists of damp, grassy vegetation at the sunny edges of woods, in grassy woodland clearings and on regenerating woodland on grassland. They occur almost exclusively in oak forest and mixed deciduous woods.The wingspan is 46–54 mm.