Male S6 and structures of genitalia of European Periscelis (Myodris) species. 23–26. P. (M.) haennii sp. nov., paratype: 23. S6; 24. Cercus laterally; 25. Surstylus laterally; 26. Postgonite laterally; 27–30. P. (M.) annulata (Fallén), Slovakia: 27. S6; 28. Cercus laterally; 29. Surstylus laterally; 30. Postgonite laterally; 31–34. P. (M.) piricercus Carles-Tolrá & Verdugo Páez, Switzerland: 31. S6; 32. Cercus laterally; 33. Surstylus laterally; 34. Postgonite laterally. Scales: 0.05 mm (24, 28, 32); 0.1 mm (23, 25–27, 29–31, 33, 34).

 
 
  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