The Palaearctic species of the Medetera betulae group are reviewed. It comprises six species including three new species from alpine regions in South and South-East Switzerland: Medetera alpicola sp. n., Medetera helvetica sp. n. and Medetera ticinensis sp. n. The distribution patterns are an indication of a boreal–montane distribution of members of the group. A species list and a key based on male genitalic characters to species of the group are provided.