Tolmerus calceatus (Meigen) confirmed as a valid species separate from Tolmerus atricapillus (Fallén) (Diptera: Asilidae).

The status of Tolmerus atricapillus calceatus (Meigen) is discussed. Based on morphological, ecological as well as genetic information it is concluded that Tolmerus calceatus stat. rev. should be treated as a valid species separate from T. atricapillus (Fallén). Characters to separate both are provided as well as a key to all Tolmerus species of northwestern Europe.