Notes on twelve species of jumping spiders from Hainan Island, China (Araneae, Salticidae) Author Wang, Cheng Guizhou Provincial Key Laboratory for Biodiversity Conservation and Utilization in the Fanjing Mountain Region, Tongren University, Tongren, 554300 Guizhou, China & Ministry of Education Key Laboratory for Ecology of Tropical Islands, College of Life Sciences, Hainan Normal University, 571158 Haikou, China Author Li, Shuqiang https://orcid.org/0000-0002-3290-5416 Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China lisq@ioz.ac.cn text ZooKeys 2023 2023-06-15 1167 159 197 http://dx.doi.org/10.3897/zookeys.1167.105424 journal article http://dx.doi.org/10.3897/zookeys.1167.105424 1313-2970-1167-159 E48BEBBBCCC440C38D22098EA786DB5E 604E246E90C15173B232EEF8CD334D3E Indopadilla songi sp. nov. Figs 6 , 7 Type material. Holotype ♂ (TRU-JS 0687), CHINA: Hainan: Ledong County, Jianfengling National Nature Reserve, Peak Mountain ( 18°43.11′N , 108°52.32′E , ca. 1400 m), 17.iv.2019, C. Wang & Y.F. Yang leg. Paratypes 2♂1♀ (TRU-JS 0688-0690), same data as holotype; 1♂ (IZCAS-Ar44505), Jianfengling National Nature Reserve, Wufenqu ( 18°44.42′N , 108°51.80′E , ca. 800 m), 18.v.2011, Y.Y. Zhou leg. Etymology. The specific name is after the late Prof. Daxiang Song (1935-2008), who has made significant contributions to the taxonomy of Hainan jumping spiders; noun (name) in genitive case. Diagnosis. The male of Indopadilla songi sp. nov. resembles that of I. sabivia Maddison, 2020 in having the bifurcated RTA, but it can be easily distinguished by the RTA has bar-shaped dorsal ramus in retrolateral view (Fig. 6B ), vs. tapered, almost triangular dorsal ramus in I. sabivia ( Maddison et al. 2020 : fig. 118). The female resembles that of I. cuc Wang, Li & Pham, 2023 in having similar epigyne, but it can be distinguished by the following: (1) the epigynal hood is almost square in ventral view (Fig. 7A ), vs. almost half-round in I. cuc ( Wang et al. 2023 : fig. 14A); (2) the AG extends posteriorly, and has slightly enlarged terminus (Fig. 7B ), vs. extending towards lateral sides, and without enlarged terminus in I. cuc ( Wang et al. 2023 : fig. 14B). Figure 6. Male palp of Indopadilla songi sp. nov., holotype A ventral B retrolateral C dorsal. Scale bars: 0.1 mm. Figure 7. Indopadilla songi sp. nov., male holotype and female paratype A epigyne, ventral B vulva, dorsal C holotype habitus, dorsal D ditto, ventral E female paratype habitus, dorsal F holotype carapace, frontal G holotype chelicera, posterior. Scale bars: 0.1 mm ( A, B, G ); 1.0 mm ( C-F ). Description. Male (Figs 6 , 7C, D, F, G ). Total length 6.05. Carapace 2.40 long, 1.95 wide. Abdomen 3.50 long, 1.40 wide. Clypeus 0.06 high. Eye sizes and inter-distances: AME 0.64, ALE 0.30, PLE 0.29, AERW 1.73, PERW 1.68, EFL 1.10. Legs: I 6.68 (1.95, 1.05, 1.75, 1.25, 0.68), II 4.74 (1.38, 0.75, 1.08, 0.98, 0.55), III 4.31 (1.30, 0.70, 0.83, 0.98, 0.50), IV 5.45 (1.65, 0.70, 1.20, 1.35, 0.55). Carapace dark red, with a pair of white setae behind the PLEs, and arc-shaped, red-orange area bearing dense white setae anteriorly on thorax; fovea red-brown, longitudinal. Chelicerae red-brown, each with four promarginal teeth and one retromarginal fissidental tooth with seven cusps. Endites longer than wide, bearing dense brown setae distally on the inner margins. Labium coloured as endites, bearing brown setae on anterior margin. Sternum yellow to red, ~ 1.5 x longer than wide. Legs pale to red-brown, legs I strongest, with three and two pairs of ventral spines on tibiae and metatarsi. Abdomen elongated, dorsum green-brown except the lateral sides white, dotted, with two pairs of muscle depressions medially; venter paler than the dorsum, with four, longitudinal, dotted lines. Palp (Fig. 6A-C ). Tibia longer than wide; RTA bifurcated, with strongly sclerotized, apically pointed ventral ramus and bar-shaped dorsal ramus; cymbium ~ 2 x longer than wide, covered with pale setae; bulb longer than wide, swollen medio-posteriorly, with posterior lobe extending postero-retrolaterally; embolus long and broad, distally divided into the strongly sclerotized, needle-shaped portion, and the weakly sclerotized, irregular portion. Female (Fig. 7A, B, E ). Total length 9.01. Carapace 3.16 long, 2.64 wide. Abdomen 5.19 long, 2.92 wide. Clypeus 0.08 high. Eye sizes and inter-distances: AME 0.78, ALE 0.43, PLE 0.40, AERW 2.26, PERW 2.17, EFL 1.51. Legs: I 7.44 (2.25, 1.38, 1.88, 1.30, 0.63), II 5.91 (1.80, 1.05, 1.38, 1.05, 0.63), III 5.51 (1.75, 0.90, 0.98, 1.25, 0.63), IV 7.14 (2.13, 0.95, 1.68, 1.75, 0.63). Habitus (Fig. 7E ) similar to that of male, except paler and with one retromarginal fissidental tooth with ten cusps. Epigyne (Fig. 7A, B ). Slightly longer than wide, with sub-square, posterior hood; copulatory openings slit-shaped; copulatory ducts short, swollen, with posteriorly extending accessory glands forming round terminus; spermathecae almost oval, partly overlapped. Distribution. Known only from the type locality in Hainan Island, China.