Periscelis (Myodris) species, adults. 4. P. (M.) haennii sp. nov., male paratype (dried from ethanol), thorax dorsally; 5. P. (M.) annulata (Fallén), male (dry mounted), thorax dorsally; 6. P. (M.) piricercus Carles-Tolrá & Verdugo Páez, male (dried from ethanol), thorax dorsally; 7. P. (M.) haennii sp. nov., male paratype (dried from ethanol), laterally; 8. P. (M.) haennii sp. nov., male paratype, right wing; 9. P. (M.) annulata (Fallén), male, right wing; 10. P. (M.) piricercus Carles-Tolrá & Verdugo Páez, male, right wing. Only Fig. 5 is based on specimen from Slovakia, others are from specimens from Losone (Switzerland). All scales: 0.5 mm. Photos by J. Roháček.

 
 
  Part of: Pollini Paltrinieri L, Roháček J (2022) Periscelis (Myodris) haennii sp. nov., a new species of Periscelididae (Diptera) from Ticino, Switzerland, with a new key to European species of the subgenus. Alpine Entomology 6: 39-49. https://doi.org/10.3897/alpento.6.85391