Eosentomon tokiokai Imadaté

Nakamura, Osami, 2010, Taxonomic revision of the family Eosentomidae (Hexapoda: Protura) from Japan 2701, Zootaxa 2701, pp. 1-109 : 96-97

Eosentomon tokiokai Imadaté

Fig. 53

Eosentomon tokiokai Imadaté, 1964a: 51 , figs. 15–16; Imadaté, 1974b: 288, figs. 149–150.

Specimens examined. Specimen deposited in NSMT: 1 female from type locality, Shirahama , Wakayama Prefecture, VII-1974, H. Takeda leg. (Imadaté’s Proturan Collection No. 3150a 14) . One female, Mandabaru, Yonaguni Island , Okinawa Prefecture, 24°27'26"N, 122°58'34"E, 100 m elevation, litter of evergreen broad-leaved forest, 21- V-2000, M. Mizushima leg.

Other specimens recorded. This species is collected in many localities in the west of Kanto district, hence those records are omitted.

Additions to description. On head, setae aa, pa and m4 present, sensilla as and ps present ( Fig. 53A); seta sp 1.4–1.5 times longer than p; sensilla pp rudimentary. Labral setae present. Seta rs inflated, shorter than sr ( Fig. 53B). On maxillary palpus ( Fig. 53C) sensillum md longer than ml. On galea ( Fig. 53D) digit O slightly longer than M and I. Mandible with two teeth ( Fig. 53E). On hind tarsus ( Fig. 53F) D2 and D4 spine-like; D4 more slender than D5. Tracheal camerae distinctly distally contracted ( Fig. 53G). Central lobe constricted in middle ( Fig. 53H). Laterostigmata II–IV distinct, without inner structure. On abdominal tergite VIII ( Fig. 53) P1a' simple without basal dilatation and anterior to P2; P2a linear.

Distribution. Japan (Honshu, Shikoku, Kyushu, Tobishima, Sado, Yakushima, Okinawa, Iriomote, Yonaguni, Izu–Ohshima, Miyakejima and Hachijojima Islands).