Taxonomic study on the subgenus Uresipedilum (Diptera: Chironomidae: Polypedilum), with description of a new species from the Yaewyama Islands, Okinawa, Japan

  • Nao Yamamoto Entomological Laboratory, Graduate School of Life and Environment Science, Osaka Prefecture University, Nakaku Gakuen-cho 1-1, Sakai, Osaka Prefecture, 599-8531
  • Masaru Yamamoto 1-6-12, Satomachi, Yoshimi, Shimonoseki, Yamaguchi Prefecture, 759-6525
  • Toshiya Hirowatari Entomological Laboratory, Faculty of Agriculture, Kyushu University, Fukuoka Prefecture, 812-8531


As a result of a multi-year survey, we recognized four species including a new species of the subgenus Uresipedilum from the Yaeyama Islands, the Ryukyus, Japan. Polypedilum (Uresipedilum) paraconvictum sp. nov. is described. P. (U.) classiglobum Zhang et Wang (2004) P. (U.) bingoparadoxum Kawai et al. (1998) and P. (U.) iriofegeum Sasa et Suzuki (2000) are re-described. The first species is newly recorded from Japan, and the second species is new to the Ryukyus. The diagnostic characters of the subgenus are discussed.