Anacaena okinawana, holotype (C, D) and paratypes (A, B, E–H). A–D. From Okinawa-jima I.; E–H. From Kerama Is. (E, F. Aka-jima I., G, H. Zamami-jima I.).

 
 
  Part of: Minoshima YN, Kamite Y, Fikáček M (2023) The genus Anacaena Thomson from the Ryukyu Archipelago of Japan (Coleoptera, Hydrophilidae). Deutsche Entomologische Zeitschrift 70(1): 143-157. https://doi.org/10.3897/dez.70.96994