Locations of collecting localities. Loc. 1 Usotan, Hamatonbetsu-cho, Hokkaido, Japan. N45.046779, E142.361674; Loc. 2 Kita 17 jo, Nishi 9 chome, Kita-ku, Sapporo-shi, Hokkaido, Japan. N43.079981, E141.338084; Loc. 3 Rankoshi, Chitose-shi, Hokkaido, Japan. N42.809656, E141.574878; Loc. 4 Poropinai, Chitose-shi, Hokkaido, Japan. N42.801191, E141.326650; Loc. 5 Shirooka, Assabu-cho, Hokkaido, Japan. N41.832767, E140.332714.

  
  Part of: Takayanagi T, Yoshizawa K (2021) The first record of Caenis rivulorum (Ephemeroptera: Caenidae) from Japan. Biodiversity Data Journal 9: e67413. https://doi.org/10.3897/BDJ.9.e67413