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Alsophylax ferganensis NAZAROV, ABDURAUPOV, SHEPELYA, GRITSINA, MELNIKOV, BUEHLER, LAPIN, POYARKOV & GRISMER, 2023

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common Names 
SynonymAlsophylax ferganensis NAZAROV, ABDURAUPOV, SHEPELYA, GRITSINA, MELNIKOV, BUEHLER, LAPIN, POYARKOV & GRISMER 2023 
DistributionUzbekistan (Fergana Region)

Type locality: urban-type settlement Shorssu (N 40.244792 E 70.821582), Uzbekistan District, Fergana Region, Uzbekistan  
Reproduction 
TypesHolotype. Adult male ZMMU Re-17532 (field ID RAN 4358) collected by Timur Abduraupov and Roman Nazarov in 2021 (Figure 5a–e).
Paratypes. Four males UZZI RE–19077, UZZI RE–19078, ZMMU Re-17537, ZMMU Re-17538 (field ID RAN 4360, RAN 4363, RAN 4370, RAN 4371) and seven females UZZI RE–19075, UZZI RE–19076, Re-17533, Re-17534, Re-17535, Re-17536, Re-17539 (field ID RAN 4359, 4361, 4362, 4364, 4365, 4369, 4372) data same as the holotype (Figure 5f, Table 2). 
DiagnosisDiagnosis. Alsophylax ferganensis sp. nov. is tentatively a sister to clades A of A. pipiens and A. laevis (Figure 1) and morphologically closer to A. laevis (Table 3). Alsophylax ferganensis sp. nov. sp. nov. can be distinguished from A. laevis by a smaller maximum body size (SVLmax 31.5 mm versus 38.7 mm) and relatively narrow head, as well as elongated limbs and dorsal patterns with well-defined nuchal loop, and relatively narrower dark transverse bands with approximately equal interspaces in between versus wide transverse patterns and narrow interspaces in A. laevis (Figure 6). Caudal margins have dark transverse bands that are wavy. Dorsal scales are flat, smooth, and roundish, without enlarged dorsal tubercles (Figure 7). The main features characterizing and distinguishing it from all of other species as a follows: a maximum SVL of 31.7 mm; 7-8 infralabials; 5-6 supralabials; 1-2 pairs of roundish postmentals, first pair in a broad contact; one nasal scale; 18-22 scales between the orbits of the eyes; 83–97 longitudinal ventral scales from postmentals to cloaca; 44–51 scales along the midline around the body; 13–15 subdigital lamellae on the fourth finger; 14–18 subdigital lamellae on the fourth toe; males have 6–7 precloacal pores on enlarged scales; precloacal pores on females are absent or 7–8 enlarged perforated scales can be present; 2–3 cloacal spurs on each side; with the subcaudal scales, the central line has slightly enlarged roundish plates (Table 3). (Nazarov et al. 2023)


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CommentDistribution: see map in Nazarov et al. 2023: 8 (Fig. 2) 
EtymologyNamed after the type locality. 
References
  • Nazarov, R.A.; Abduraupov, T.V.; Shepelya, E.Y.; Gritsina, M.A.; Melnikov, D.A.; Buehler, M.D.; Lapin, J.D.; Poyarkov, N.A.; Grismer, J.L. 2023. The Fergana Valley Is an Isolate of Biodiversity: A Discussion of the Endemic Herpetofauna and Description of Two New Species of Alsophylax (Sauria: Gekkonidae) from Eastern Uzbekistan. Animals 13: 2516 - get paper here
 
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