Adults 2 Caryocolum tricolorella, male, Germany 3 C. fibigerium, male, paratype, Spain 4 C. herwigvanstaai sp. nov., male, holotype, Italy 5 C. olekarsholti, male, holotype, Greece.

 
 
  Part of: Huemer P (2022) Underestimated cryptic diversity in the Caryocolum tricolorella species complex (Lepidoptera, Gelechiidae). ZooKeys 1103: 189-209. https://doi.org/10.3897/zookeys.1103.83952