The areas where Ctenolepisma calvum was discovered as of May 2022. The Prefectures in which C. calvum was found are coloured.

 
  Part of: Shimada M, Watanabe H, Komine Y, Kigawa R, Sato Y (2022) New records of Ctenolepisma calvum (Ritter,1910) (Zygentoma, Lepismatidae) from Japan. Biodiversity Data Journal 10: e90799. https://doi.org/10.3897/BDJ.10.e90799