Male cerci of all members of the genus Barbitistes A–E, G, H left cercus F right cercus flipped vertically A B. kaltenbachi B B. constrictus C B. alpinus D B. fischeri E B. serricauda F B. vicetinus G B. ocskayi H B. yersini (photographs K.-G. Heller). Based on cercal morphology, B. kaltenbachi is most similar to B. constrictus.

 
 
  Part of: Felix R, Heller K-G, Odé B, Rebrina F, Skejo J (2020) Island mysteries in the spotlight: Barbitistes kaltenbachi and Rhacocleis buchichii, the only bush-cricket species endemic to Croatia (Orthoptera, Tettigoniidae). ZooKeys 936: 25-60. https://doi.org/10.3897/zookeys.936.51599