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 Paranisentomon tuxeni (Imadaté & Yosii) Fig. 10 Eosentomon tuxeni Imadaté & Yosii, 1959: 3 , figs. 1–5; Tuxen, 1964: 140 , figs. 174–175; Imadaté, 1974b: 276 , figs. 139–144. Paranisentomon tuxeni : Zhang & Yin, 1984: 70 , 76. Specimens examined. Specimens deposited in NSMT : holotype male, NSMT – Ap 7, Ashu , Kyoto Prefecture , 20- VIII-1956 , R . Yosii leg. ; 1 female , 21-V-1982 ( Imadaté’s Proturan Collection No. 7038b), 1 male , 31-VII-1985 ( Imadaté’s Proturan Collection No. 7038l 1), 1 female , 18-VI-1988 ( Imadaté’s Proturan Collection No. 7038m 4), Ashu , Kyoto Prefecture , N. Kaneko leg. FIGURE 10. Paranisentomon tuxeni (Imadaté & Yosii) . 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, laterostigmata II–III (left two) and IV (right); H, posterior part of abdominal tergite VIII. B–F, H, holotype male; A, G, male from Ashu, Kyoto Prefecture (type locality). Scales: 20 µm. Other specimens recorded. This species is common throughout Japan , hence other collection data are omitted here. Additions to description. On head, setae aa , pa and m4 present, sensilla as and ps present ( Fig. 10A ); seta sp about 1.5 times longer than p . Seta rs inflated, shorter than sr ( Fig. 10B ). On maxillary palpus ( Fig. 10C ) sensillum md longer than ml . Galea small, digit O slightly longer than M and I ( Fig. 10D ). Mandible with three teeth, two apical and one subapical ( Fig. 10E ). On hind tarsus ( Fig. 10F ) D2 and D4 spine-like, D4 slightly thicker than D2 , but slender than D5 . Laterostigmata II–IV distinct ( Fig. 10G ); II– III with weak reticulation, but sometimes invisible; IV without inner structure. On abdominal tergite VIII ( Fig. 10H ) P1a' with basal dilatation and anterior to P2 ; P2a linear. Distribution. Japan ( Hokkaido , Honshu, Shikoku, Kyushu, Teuri, Sado, Awaji, Oki, Izu–Ohshima, Miyakejima and Mikurajima Islands) and China .