Khorata triangula YAO &amp; LI, 2010, sp. nov.
Creators: name: YAO, ZHIYUAN
name: LI, SHUQIANG
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Pholcidae
Khorata
Khorata triangula

description: <i>Khorata triangula</i> sp. nov. Figs 55–58, 61 Type material: <b>Holotype:</b> male (IZCAS), Zhenzhu Cave [25°12.818ʹN, 110°12.050ʹE, alt. 160 m], Yanmendi Village, Lingui County, Guilin, Guangxi, <b>China</b>, 18 July 2009, Z.Y. Yao and C.X. Wang leg. <b>Paratypes:</b> 3 males, 12 females (IZCAS), same data as holotype. <b>Etymology:</b> The specific name is from Latin <i>triangulus</i> (triangular), in reference to the shape of pore plates of epigynum; adjective. <b>Diagnosis:</b> This species resembles <i>K. luojinensis</i> <b>sp. nov.</b> in having similar narrow dark median line behind ocular area (Figs 25C, 26C, 55C, 56C), similar shape of male chelicerae (Figs 27B–C, 57B–C), and similar ventral view of female genital area (Figs 26A, 28B, 56A, 58B), but can be distinguished by the different distal elements of procursus (Figs 55A–B, D; 57A, D; 58A) and the nearly isosceles triangular pore plates of epigynum (Figs 56B, 58C). This species also resembles <i>K. liuzhouensis</i> <b>sp. nov.</b> in having similar dorsal view of epigynum (Figs 22B, 24D, 56B, 58C), but can be distinguished by the narrow dark median line behind ocular area (Figs 55C, 56C), the different apophyses of male chelicerae (Figs 57B–C), the different distal elements of procursus (Figs 55A–B, D; 57A, D; 58A), and the ventral view of female genital area (Figs 56A, 58B). <b>Description: Male (holotype):</b> Total length 1.93 (2.10 with clypeus), prosoma 0.70 long, 0.86 wide, opisthosoma 1.23 long, 0.93 wide. Leg I: 19.47 (4.74 + 0.43 + 4.94 + 7.05 + 2.31), leg II: 12.62 (3.50 + 0.35 + 3.21 + 4.27 + 1.29), leg III: 10.06 (2.88 + 0.39 + 2.50 + 3.34 + 0.95), leg IV: 11.79 (3.49 + 0.34 + 2.95 + 4.05 + 0.96); tibia I L/d: 53. Habitus as in Fig. 55C. Dorsal shield of prosoma yellowish, with black margins and narrow dark median line behind ocular area; sternum black. Legs yellowish, with slightly darker rings on femora (subdistally) and tibiae (proximally and subdistally). Opisthosoma grey with large black spots dorsally and ventrally. Ocular area slightly elevated and separated from prosoma, thoracic furrow shallow but distinct; distance PME-PME 0.09; diameter PME 0.11; distance PME-ALE 0.01; AME absent. Sternum slightly wider than long (0.49/0.42). Chelicerae as in Figs 57B–C, with pair of long, hooked frontal apophyses (distance between tips: 9 µm); pair of short, hooked proximal apophyses provided with lateral elliptic ledges, without modified hairs; pair of small ledges on frontolateral surface distally. Palps as in Figs 55A–B; 57A, D; trochanter with retrolateral apophysis and small ventral projection, femur with retrolateral apophysis, patella large, procursus simple proximally but complex distally, bulb simple, no other projections except for embolus. Retrolateral trichobothrium of tibia I at 12%; legs with short vertical hairs on all metatarsi (mostly dorsally and laterally), without spines and curved hairs; tarsus I with more than 20 pseudosegments, only about 14 distinct ones distally. <b>Variation:</b> Tibia I in other males (n=2, leg I lost in the other specimen): 5.13, 5.45 (mean: 5.29). <b>Female:</b> Similar to male, habitus as in Figs 56C–D. Tibia I in females (n=7, leg I lost in the other five specimens): 4.17–5.26 (mean: 4.62). Genital area brown (Figs 56A, 58B), with internal structures nearly invisible through cuticle, without distinct pockets. Dorsal view of epigynum (Figs 56B, 58C) with two nearly isosceles triangular pore plates. <b>Distribution:</b> The species is known only from the type locality (Fig. 61).
description: Published as part of <i>YAO, ZHIYUAN &amp; LI, SHUQIANG, 2010, Pholcid spiders of the genus Khorata Huber, 2005 (Araneae: Pholcidae) from Guangxi, China, pp. 1-79 in Zootaxa 2594 (1)</i> on page 16, DOI: 10.11646/zootaxa.2594.1.1