Gekko cib LYU, LIN, REN, JIANG, ZHANG, QI & WANG, 2021
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| Higher Taxa | Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) |
| Subspecies | |
| Common Names | E: CIB Gecko (“CIB” pronounced as “/si:/, /aɪ/, /bi:/”) Chinese: chéng dű bì hŭ (成都壁虎) |
| Synonym | Gekko (Japonicgekko) cib LYU, LIN, REN, JIANG, ZHANG, QI & WANG 2021 |
| Distribution | China (Sichuan, Yunnan) Type locality: wall surface in the Herpetological Museum, Chengdu Institute of Biology, Chinese Academy of Sciences (30.632093°N, 104.068917°E; ca 500 m a.s.l.), Chengdu City, Sichuan Province, PR China |
| Reproduction | |
| Types | Holotype. CIB 116961 (Fig. 7), adult male, collected by Jin-Long Ren on 14 July 2018. Paratypes. Two adult male and eight adult female specimens. Females CIB 116962–116963 collected by Jin-Long Ren, Bo-Chen Zhao, and Zeng Wang on 28 June 2018 from Wenshu Temple (30.677950°N, 104.063181°E; ca 500 m a.s.l.), Chengdu City. Males SYS r002397–2398 and females SYS r002395–2396 collected by Zhi-Tong Lyu and Shuo Qi on 22 October 2019 from Chengdu City. Female SYS r000708 collected by Jian-Huan Yang on 5 June 2012 from Qingyinge, Mt. Emei (28.575478°N, 103.405444°E; ca 760 m a.s.l.), Emeishan City, Sichuan Province. Female SYS r001489 collected by Zhi-Tong Lyu on 16 June 2016 from Shunyangxi, Zihuai Township (28.628283°N, 106.298241°E; ca 800 m a.s.l.), Hejiang County, Sichuan Province. Females CIB 116964–116965 collected by Di-Hao Wu on 13 July 2017, from Shacuoluo, Malu Township (27.639252°N, 105.819409°E; ca 900 m a.s.l.), Jinsha County, Guizhou Province, PR China. |
| Diagnosis | Diagnosis: Gekko (Japonicgekko) cib sp. nov. is distinguished from all congeners by the following morphological characteristics: (1) medium-sized gecko species, SVL 46.9–66.4 mm in adults; (2) tubercles on dorsal body, limbs and tail absent; (3) eye large, ED/HL ratio 0.21–0.28; (4) rostral moderate, RW/HW ratio 0.19–0.24, RW/RH ratio 1.79–2.17; (5) mental elongate transversely, MW/HW ratio 0.13–0.18, MW/ML ratio 1.43–1.80; (6) nares bordered with rostral, internasals 1–2; (7) interorbital scales between anterior corners of the eyes 28–36; (8) midbody scale rows 128–149; (9) ventral scale rows at midbody 37–45; (10) scales between mental and cloacal slit 171–196; (11) subdigital lamellae on first fingers 8–13, on fourth fingers 10–15, on first toes 9–11, on fourth toes 10–15; (12) fingers and toes with distinct webbing; (13) 7–9 precloacal pores in a continuous row in males; (14) a single postcloacal tubercle on both sides; (14) dorsum greyish white to dark brown, with five regular dark bands between nape and sacrum (Fig. 6C). Hemipenial characteristics (Fig. 3C): (1) hemipenis clavate, bilobed, densely covered with denticulate-seamed calyces; (2) sulcus spermaticus bifurcate at half of truncus; (3) lateral welt weakly developed, invisible from asulcate side, in contact with sulcus lip; (4) calyces confined to lobes and distal 1/2 of truncus; (5) tongue-like welt large; (6) apical folds large, comma-shaped, not in contact with each other; (7) a small and boomerang-like area on the asulcate side of the lobe center, calyces on this area not well developed (Fig. 3C, Ch 7). |
| Comment | Note that the subgenus should be Japonigekko. |
| Etymology | The specific name cib (pronounced as “/kib/”) is in reference to the abbreviation of the type locality, Chengdu Institute of Biology, Chinese Academy of Sciences (中国科学院成都生物研究所). Chengdu Institute of Biology is a famous institute with a long and prestigious history in China, cultivating a large number of outstanding herpetologists and promoting the development of Chinese herpetology. |
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