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Pseudogekko atiorum DAVIS, WATTERS, KÖHLER, WHITSETT, HURON, BROWN, DIESMOS & SILER, 2015

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) 
Subspecies 
Common NamesCentral Visayan False Gecko 
SynonymPseudogekko atiorum DAVIS, WATTERS, KÖHLER, WHITSETT, HURON, BROWN, DIESMOS & SILER 2015 
DistributionPhilippines (Negros, Cebu)

Type locality: Mt. Talinis, Barangay Bongbong, Municipality of Valencia, Negros Oriental Province, Negros Island, Philippines (N: 9.26000°, E: 123.20327°; WGS 84; 1100 m elev.)  
Reproduction 
TypesHolotype. PNM 9518 (CDS Field No. 954, formerly KU 302818), adult female, collected at 22:00 h on 21 February 2005, by CDS; paratypes: CAS, CAS-SUR, KU, TNHC, 
CommentDiagnosis. Pseudogekko atiorum can be distinguished from congeners by the following combination of characters: (1) body size moderate (SVL 41.1–52.5 mm); (2) axilla–groin distance moderate (19.4–28.4 mm); (3) head length moderate (7.4–9.4 mm); (4) snout length long (4.3–5.8 mm); (5) Toe-IV scansors 14–17; (6) paravertebral scales 226–240; (7) ventral scales 119–129; (8) supralabials 15–17; (9) infralabials 12–15; (10) circumorbitals 35–38; (11) precloacal pores 13–15; (12) femoral pores absent; (13) dominant body coloration dark brown; (14) conspicuous head spotting present, cream; (15) conspicuous dorsolateral spotting present, cream; (16) conspicuous limb spotting absent; (17) tail banding absent; (18) body striping absent; (19) interorbital banding present, light brown; (20) iris ring coloration absent (Tables 1, 2; Figs. 3–6).

Comparisons. Characters distinguishing Pseudogekko atiorum from all other species of Pseudogekko are summarized in Tables 1–3. Pseudogekko atiorum most closely resembles P. brevipes; however, it differs from this species by having a longer snout–vent length in both males (41.1–52.5 mm vs. 39.0) and females (44.8–48.7 mm vs. 34.5–42.4), longer eye–nares distance (3.5–4.5 mm vs. 3.0–3.4), a tendency towards having both a longer snout length (4.3–5.8 mm vs. 3.8–4.4) and internares distance (1.5–1.9 mm vs. 1.2–1.6), and a greater number of supralabials (15–17 vs. 13 or 14), circumorbitals (35–38 vs. 33–35), paravertebrals (226–240 vs. 211–218), ventrals (119–129 vs. 96–117), and precloacal pores (13–15 vs. 12; Figs. 3–5).
Pseudogekko atiorum can be distinguished from P. chavacano by having a shorter snout–vent length (41.1– 52.5 mm vs. 54.7–55.9), longer head length (7.4–9.4 mm vs. 10.4), a tendency towards a shorter snout length (4.3– 5.8 mm vs. 5.8–6.0), fewer infralabials (12–15 vs. 16 or 17), circumorbitals (35–38 vs. 46), and precloacal pores (13–15 vs. 16), greater number of paravertebrals (226–240 vs. 195–197), cream colored (vs. neon green) head and dorsolateral spotting, absence (vs. presence) of limb spotting and tail banding, and presence of interorbital banding (vs. absence); from P. compresicorpus by having a shorter snout–vent length (41.1–52.5 mm vs. 54.9–59.7), a tendency towards both a shorter axilla–groin distance (19.4–28.4 mm vs. 27.0–32.6) and head length (7.4–9.4 mm vs. 9.2–11.3), fewer Toe-IV scansors (14–17 vs. 18 or 19) and circumorbitals (35–38 vs. 39–45), cream colored (vs. neon green) head and dorsolateral spotting, absence (vs. presence) of limb spotting and a light blue iris ring, and presence (vs. absence) of interorbital banding; from P. ditoy by having fewer infralabials (12–15 vs. 16 or 17) and circumorbitals (35–38 vs. 40–43), greater number of paravertebrals (226–240 vs. 180–185) and ventrals (119–129 vs. 111–118), fewer precloacal pores (13–15 vs. 18), and the presence (vs. absence) of head spotting, dorsolateral spotting, and interorbital banding; from P. pungkaypinit by having a shorter snout–vent length (41.1–52.5 mm vs. 66.6–75.3), axilla–groin distance (19.4–28.4 mm vs. 37.2–41.2), total length (80.2–113.5 mm vs. 125.3–141.2), midbody width (4.8–7.7 mm vs. 7.7–9.1), head length (7.4–9.4 mm vs. 11.4–13.6), head width (5.9–8.3 mm vs. 9.3–11.2), and snout length (4.3–5.8 mm vs. 6.7–7.5), fewer Finger-III scansors (12–14 vs. 15–17), infralabials (12–15 vs. 17–19), circumorbitals (35–38 vs. 50–55), paravertebrals (226–240 vs. 265–280), and precloacal pores (13–15 vs. 17–20), a tendency towards having fewer ventrals (119–129 vs. 125–155), the presence (vs. absence) of head and dorsolateral spotting and interorbital banding, and the absence (vs. presence) of body striping; from P. smaragdinus by a tendency towards having a shorter snout–vent length (41.1–52.5 mm vs. 50.2–64.3) and axilla– groin distance (19.4–28.4 mm vs. 26.2–35.5), fewer Finger-III scansors (12–14 vs. 15–18), paravertebrals (226– 240 vs. 241–252), and enlarged pores (13–15 vs. 32–41), a tendency towards having fewer Toe-IV scansors (14–17 vs. 16–22) and supralabials (15–17 vs. 16–19), greater number of circumorbitals (35–38 vs. 33–35), presence of dark brown (vs. yellow to orange [undisturbed] or neon green [disturbed]) body coloration, cream colored (vs. large black and small white) head and dorsolateral spotting, presence (vs. absence) of interorbital banding, and absence (vs. presence) of limb spotting and tail banding. 
EtymologyWe derive the new species name in honor of the Ati people, a Negrito ethnic group believed to be among the first to colonize the central Philippines. Similar to this new species of Pseudogekko, Inati (the native language of the Ati), is infrequently encountered and possibly threatened, and is estimated to be spoken by fewer than 2,000 people. The specific epithet is a noun of masculine gender. 
References
  • DAVIS, DREW R.; JESSA L. WATTERS, GUNTHER KÖHLER, COLLIN WHITSETT, NICHOLAS A. HURON, RAFE M. BROWN, ARVIN C. DIESMOS & CAMERON D. SILER 2015. Redescription of the rare Philippine false gecko Pseudogekko brevipes (Reptilia: Squamata: Gekkonidae) and description of a new species Zootaxa 4020 (2): 357–374
  • Siler, Cameron D.; Drew R. Davis, Jessa L. Watters, Elyse S. Freitas, Oliver W. Griffith, Jake Wilson B. Binaday, Athena Heart T. Lobos, Ace Kevin S. Amarga, and Rafe M. Brown 2017. First Record of the Pseudogekko brevipes Complex from the Northern Philippines, with Description of a New Species Herpetologica 73 (2): 162-175 - get paper here
  • SUPSUP, Christian E.; Nevong M. PUNA, Augusto A. ASIS, Bernard R. REDOBLADO, Maria Fatima G. PANAGUINIT, Faith M. GUINTO, Edmund B. RICO, Arvin C. DIESMOS, Rafe M. BROWN and Neil Aldrin D. MALLARI 2016. Amphibians and Reptiles of Cebu, Philippines: The Poorly Understood Herpetofauna of an Island with Very Little Remaining Natural Habitat Asian Herpetological Research 2016, 7(3): 151–179 DOI: 10.16373/j.cnki.ahr.150049 - get paper here
 
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