Kessleria male genitalia. 49 K. klimeschi, holotype, Italy, Prov. Udine, Montasio, Malga Pecol, 1600 m, 24.6.1989 e.l., leg. Huemer & Tarmann, genitalia slide YPO 17 (TLMF) 50 idem, cornuti enlarged 51 K. helvetica, holotype, Switzerland, Wallis, Zermatt, 1850 m, 10.8.1980, leg. Whitebread, gen. slide 350 Whitebread (DNA barcode ID TLMF Lep 01868) (TLMF) 52 idem, distal part of phallus enlarged 53 K. inexpectata, paratype, France, Dep. Alpes Maritimes, Marguareis W-Hang, Navela, 2100–2200 m, 21.–23.7.1990, leg. Huemer & Tarmann, gen. slide YPO 63 (TLMF) 54 idem, distal part of phallus enlarged.

 
 
  Part of: Huemer P, Mutanen M (2015) Alpha taxonomy of the genus Kessleria Nowicki, 1864, revisited in light of DNA-barcoding (Lepidoptera, Yponomeutidae). ZooKeys 503: 89-133. https://doi.org/10.3897/zookeys.503.9590