dc:title"Two new species and a new genus of ray spiders (Araneae, Theridiosomatidae) from the Ryukyu Islands, southwest Japan, with notes on their natural history";
dc:description"Figure 7. Sennin tanikawai sp. nov., male holotype genitalia (NSMT-Ar 21722) A-D male palp F-J embolic division A retrolateral view B prolateral view C dorsal view D ventral view E median apophysis, ventral view F posterior-ventral view G ventral view H anterior-dorsal view I posterior-dorsal view J prolateral view. Abbreviations: C conductor CA cymbial apophysis CL cymbial lamella E embolus EA embolic apophysis ED embolic division EM embolus MA median apophysis PC paracymbium ST subtegulum T tegulum. Arrow in E indicates the tip of less-sclerotized region of median apophysis. Scale bars: 0.1 mm.";
dc:description"Figure 8. Sennin tanikawai sp. nov., female paratype genitalia (NSMT-Ar 21723) A epigyne, ventral view B epigyne, lateral view C vulva, dorsal view D vulva, anterior view. Abbreviations: CB copulatory bursae CD copulatory ducts ES epigynal scape FD fertilization ducts S spermatheca. Arrows in A, D indicate a pair of sclerotized extensions on the anterior margin of epigynal plate. Arrow in C indicates a pair of copulatory ducts juxtaposed. Scale bars: 0. 1 mm.";
dc:description"Figure 9. Sennin tanikawai sp. nov., male holotype genitalia (NSMT-Ar 21722) A-D male palp F-J embolic division A retrolateral view B prolateral view C dorsal view D ventral view E median apophysis, ventral view F posterior-ventral view G ventral view H anterior-dorsal view I posterior-dorsal view J prolateral view. Abbreviations: C conductor CA cymbial apophysis CL cymbial lamella E embolus EA embolic apophysis ED embolic division EM embolus MA median apophysis PC paracymbium ST subtegulum T tegulum. Arrow in E indicates the tip of less-sclerotized region of median apophysis. Scale bars: 0.1 mm.";
dc:description"Figure 10. Sennin tanikawai sp. nov., female paratype (NSMT-Ar 21723) A epigyne, ventral view B epigyne, lateral view C vulva, dorsal view D vulva, anterior view E course of copulatory duct. Abbreviations: CB copulatory bursae CD copulatory ducts ES epigynal scape ESL epigynal scape length FD fertilization ducts S spermatheca VW vulva width. Arrows in A, D indicate a pair of sclerotized extensions on the anterior margin of epigynal plate. Arrow in C indicates the pair of copulatory ducts juxtaposed. Scale bars: 0.1 mm.";
dc:description"Figure 12. Habitats of theridiosomatid species in Ryukyu Islands A streamside in dim forest at Iriomote Island B forest floor of secondary forest at Kume Island C grassland at Kume Island D grassland at Yonaguni Island E crevices on limestone rocky wall at Iriomote Island.";
dc:description"Figure 14. Web structure and building behavior in Sennin tanikawai sp. nov. (A-G) and Theridiosoma epeiroides (H) A orb web, frontal view B orb web, illustrated C open hub, frontal view D orb web, lateral view E spider holding tension line with forelegs F process of weaving sticky spirals by S. tanikawai sp. nov. G radial elongation behavior in S. tanikawai sp. nov. H web building processes of Theridiosoma epeiroides. Blue lines indicate elongated portion of radii. Abbreviations: HL hub loops OH open hub RD radii SS sticky spiral TL tension line TS temporary spiral.";
dc:description"Figure 15. Egg sacs of theridiosomatid species A egg sac of Theridiosoma nigrivirgatum sp. nov. (cap opened) B egg sac of Theridiosoma dissimulatum C egg sac of Theridiosoma alboannulatum D-E egg sac of Sennin tanikawai sp. nov.";
