Taxonomic revision of the family Eosentomidae (Hexapoda: Protura) from Japan 2701 Author Nakamura, Osami text Zootaxa 2010 2010-12-03 2701 1 109 journal article 1175­5334 Eosentomon sakura Imadaté & Yosii Fig. 48 Eosentomon sakura Imadaté & Yosii, 1959: 7 , figs. 8–10; Tuxen, 1964: 142 , figs. 178–179; Imadaté, 1974b: 261 , figs. 127– 130, 132; Tuxen & Imadaté, 1975: 359 , figs. 51–55; Yin, 1999: 398 , figs. 234. Eosentomon collarum Yin, 1963: 271 , 274, figs., 15–24. Specimens examined. Specimens deposited in NSMT: 1 male , NSMT – Ap 1, Yoshino-yama , Nara Prefecture , 18- V-1953 , K. Sawada leg ; 1 female , Shirahama , Wakayama Prefecture , VII-1974 , H. Takeda leg. ( Imadaté’s Proturan Collection No. 3150a 1) ; 1 male , Asakawa , Tokyo , 28-IV-1971 , G. Imadaté leg ( Imadaté’s Proturan Collection No. 0176a 3-36) . FIGURE 48. Eosentomon sakura Imadaté & Yosii from Shirahama, Wakayama Prefecture, female. A, dorsal view of head, left side; B, labrum and rostral region; C, maxillary palpus; D, galea; E, mandible; F, dorsal view of hind tarsus; G, central lobe on abdominal tergite VI; H, laterostigmata II–IV; I, posterior margin of abdominal tergite VIII. Scales: 20 µm. Other specimens recorded. This species is very common throughout Japan , hence other records are omitted. Additions to description. On head, setae aa , pa and m4 present, sensilla as and ps present ( Fig. 48 A ); seta sp 1.4 times longer than p ; sensilla pp rudimentary. Seta rs simple, shorter than sr ( Fig. 48B ). On maxillary palpus ( Fig. 48C ) sensillum md slightly longer than ml . On galea ( Fig. 48D ) digit O slightly longer than M and I; M and I similar to each other. Mandible with two teeth ( Fig. 48E ). On hind tarsus ( Fig. 48F ) D2 and D4 spine-like, D4 thicker than D2 , but more slender than D5 . Central lobe trapezoidal, inner line contricted in middle ( Fig. 48G ). Laterostigmata II–IV distinct ( Fig. 48H ), II– III without inner structure, but IV with a weak central spot; those on V – VII small. Male squama genitalis with long basiperiphallar setae. On abdominal tergite VIII ( Fig. 48I ) P1a' simple and slightly anterior to P2 ; P2a short linear,. Distribution. Japan ( Hokkaido , Honshu, Shikoku, Kyushu, Teuri, Yagishiri, Tobishima, Sado, Awaji, Tsushima, Iki, Gotoh–Nakadohrijima, Amakusa–Kamishima and –Shimoshima, Satsuma–Takeshima and –Kuroshima, Yakushima, Amami–Ohshima, Tokunoshima, Okinawa , Miyagijima, Ikejima, Miyako, Ishigaki, Iriomote, Yonaguni, Izu–Ohshima, Niijima, Miyakejima, Mikurajima, Hachijojima Islands), Korea , China , Taiwan , Vanuatu (= New Hebrides ), Bismarck and Solomon Islands .