Periscelis (Myodris) annulata (Fallén), male genitalia (Slovakia). 17. Entire genitalia, laterally; 18. Cercus, laterally; 19. Aedeagal complex, laterally (only basal parts of distiphallus, phallapodeme and hypandrium depicted); 20. External genitalia cranially (setosity of epandrium and cerci largely omitted); 21. Surstylus, laterally; 22. External genitalia caudally. For abbreviations see p. 41. Scales: 0.05 mm (18); 0.1 mm (17, 19–22).

 
 
  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