Map of Japan highlighting Kyushu (A) and Shikoku (B) Islands. The red star indicates the location of Mejiro-do Cave (habitat of P. daidarabotchi), while the yellow stars indicate the location of Goya Daiichi Shonyu-do (Kyushu) and Inaba-do (Shikoku) caves, both habitats of P. nipponica.

 
 
  Part of: Sendra A, Yoshizawa K, Ferreira RL (2018) New oversize troglobitic species of Campodeidae in Japan (Diplura). Subterranean Biology 27: 53-73. https://doi.org/10.3897/subtbiol.27.28575