New West Palaearctic Species of Empis chioptera Group (Diptera: Empididae).

The following six new species are described and illustrated: Empis (Empis) lusitanica sp. nov. (Portugal), E. (Empis) manteigasensis sp. nov. (Portugal, Spain), E. (Empis) miroslavi sp. nov. (Portugal), E. (Empis) moceki sp. nov. (Bulgaria), E. (Empis) serviae sp. nov. (Spain), and E. (Empis) troyanensis sp. nov. (Bulgaria, Slovakia, and Italy). Diagnostic characters are discussed. The key to all West Palaearctic species of E. (Empis) chioptera group is provided.