Male genitalia. 13 Caryocolum schleichi, Syria, slide GU 86/273 P. Huemer; 14 C. dianthella, Spain, slide GEL 1284 P. Huemer; 15 C. improvisella, Austria, slide GEL 1256 P. Huemer; 16 C. improvisella, Italy, slide GEL 1290 P. Huemer.

 
 
  Part of: Huemer P (2020) Integrative revision of the Caryocolum schleichi species group – a striking example of a temporally changing species concept (Lepidoptera, Gelechiidae). Alpine Entomology 4: 39-63. https://doi.org/10.3897/alpento.4.50703