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Liolaemus quinterosi RUIZ, QUIPILDOR, BULACIOS-ARROYO, CHAFRAT & ABDALA, 2019

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Higher TaxaLiolaemidae, Iguania, Sauria, Squamata (lizards) 
Subspecies 
Common Names 
SynonymLiolaemus quinterosi RUIZ, QUIPILDOR, BULACIOS-ARROYO, CHAFRAT & ABDALA 2019 
DistributionArgentina (NE Neuquén)

Type locality: Provincial Road No 7,24 Km to the North of Añelo (38°13'51.00"S; 68°57'13.70"W, 265 m a. s. l.), Añelo Departament, Neuquén Province, Argentina  
Reproduction 
TypesHolotype: FML 30505, collected by Abdala C., Chafrat P., Bulacios A., Valdez J. cols. November 28, 2016.
Paratypes: FML 30504; FML 30506-08. Provincial Road No 7,24 Km to the North of Añelo (38°13'51.00"S; 68°57'13.70"W, 265 m a. s. l.), Añelo Departament, Neuquén Province, Argentina. Abdala C., Chafrat P., Bulacios A., Valdez J. cols. November 28, 2016. MPCN-H 436-38: Aguada Pichana (38°25'43.70''S; 69°09'31.3''W) Añelo Departament, Neuquén Pro- vince, Argentina. Chafrat P., Planchar A., Ubieta D., Retamal L. cols. 
DiagnosisDiagnosis: Liolaemus quinterosi sp. nov. is a member of the L. elongatus group (sensu Lobo et al., 2010, Avila et al., 2015, Medina et al., 2018; Troncoso et al., 2018), for its body shape, pattern of coloration, lepidosis and the distinctive ringed tail.
Lioleamus quinterosi sp. nov. differs from other species of the L. elongatus group in the number of scales around midbody, being higher in L. quinterosi (70–78) than L. capillitas (58–67), but lower than L. antonietae (86–98), L. buergeri (85–110), L. carlosgarini (86–95), L. ceii (85–110), L. crandalli (77–92), L. cristiani (83–89), L. frassinettii (85–92), L. gununakuna (84–97), L. janequeoae (82–98), L. kriegi (85–110), L. lonquimayensis (89–90), L. riodamas (80–93), L. thermarum (84–89) and L. zabalai (90–104). Moreover, specimens of L. quinterosi (Max. SVL=88.07) are smaller than specimens of L. antumalguen (Max. SVL=107.80), L. crandalli (Max. SVL=93.4), L. gununakuna (Max. SVL=97.5), L. tregenzai (Max. SVL=90.2), and L. zabalai (Max. SVL=90.3), but larger than specimens of L. antonietae (Max. SVL=77.6), L. burmeisteri (Max. SVL=85.2), L. carlosgarini (Max. SVL=68.80), L. janequeoae (Max. SVL=69.6), L. lonquimayensis (Max. SVL=69.7), L. scorialis (Max. SVL=69.9) and L. smaug (Max. SVL=71.30). Males of L. quinterosi (SVL=78.81–88.07 mm) are larger than males of L. carlosgarini (SVL=61.25–65.35 mm), L. cristiani (SVL=62.60–78.20 mm), L. janequeoae (SVL=69.90 mm), L. parvus (SVL=57.12–65.08 mm), L. scorialis (SVL=57.40–69.90 mm), L. smaug (SVL=50.40– 71.25 mm) and L. tulkas (SVL=56.32–70.14 mm). Females of L. quinterosi (SVL=76.44–81.48 mm) are smaller than females of L. antumalguen (SVL=84– 101.6 mm), L. choique (SVL=116.2 mm), but are higher than females of L. carlosgarini (SVL=53.46–68.80 mm), L. janequeoae (SVL=65.30 mm), L. parvus (SVL=55.77–64.80 mm), L. scorialis (SVL=57.30– 65.60 mm) and L. tulkas (SVL=60.25–69.35 mm).
Number of supralabials in L. quinterosi (6–8) is higher than L. tregenzai (4). Loreolabials in L. quinterosi (8–10) are higher than L. lonquimayensis (4–6), L. cristiani (6–7) and L. tulkas (6–7). Number of temporal scales in L. quinterosi (11–12) is higher than L. choique, L. dicktracyi, L. heliodermis, L. lonquimayensis, L. parvus, L. shitan, L. smaug, L. umbrifer, and L. tulkas (7–10). Surface of temporal scales is slightly keeled in L. quinterosi, differing from L. tulkas where temporal scales are smooth. Scales of dorsum in L. quinterosi are rhomboidal, distinguishing it from L. ceii, L. cristiani, L. parvus, L. riodamas, and L. umbrifer (rounded dorsal scales). Dorsal scales in L. quinterosi show a strong keel, differing from L. ceii, L. cristiani, L. heliodermis, L. riodamas, L. thermarum, and L. umbrifer (dorsals with a slight keel). In L. quinterosi scales of tail dorsally are laminar, strongly keeled, and mucronated, whereas in L. cristiani they are laminar, mucronate, and slightly keeled. Number of gular scales in L. quinterosi (35–41) is lower than L dicktracyi, L. heliodermis, and L. umbrifer (47–66). Number of neck scales in L. quinterosi (39–47) is lower than L. tulkas (49–58).
Number of scales from posterior margin of auditory meatus to antehumeral fold in L. quinterosi (26–35) is lower than in L. heliodermis (39–41). Number of scales of dorsum in L. quinterosi (66–79) is lower than in L. gununakuna (85–103), L. kriegi (87–110), and L. zabalai (86–96), but higher than in L. heliodermis (62–65). Number of ventrals in L. quinterosi (104–112) is higher than in L. talampaya (86–96), but lower than in L. antonietae (118–131), L. choique (118–134), L. crandalli (125–139), L. elongatus (119–129), L. janequeoae (124–132), L. scorialis (115–131), L. shitan (120–132), L. smaug (119–131), and L. zabalai (116–122).
Liolaemus quinterosi sp. nov. differs from all members of the L. capillitas group (sensu Lobo 2005): L. capillitas, L. dicktracyi, L. heliodermis, L. umbrifer, L. talampaya, and L. tulkas, (Lobo et al., 2010) due to the absence of red coloration in the cloacal region and the absence of white spots on the shoulder (synapomorphies of the group sensu Lobo 2005). Sexual dichromatism is evident in L. quinterosi, differing from L. austromendocinus, L. burmeisteri, L. carlosgarini, L. choique, L. crandalli, L. elongatus, L. gununakuna, L. lonquimayensis, L. parvus, L. petrophilus, L. punmahuida, L. riodamas, L. scorialis, L. thermarum and L. tulkas (absence of sexual dichromatism). Cloacal region in males of L. quinterosi is yellowish, while females present a gray coloration, distinguishing it from L. flavipiceus (red or with orange or red spots), L. tregenzai (bluish green), L. buergeri and L. kriegi (reddish). The dorsum of males L. quinterosi show a pattern of dark spots along the vertebral line, but females shows light scales, differing from L. burmeisteri, L. choique, L. janequeoae, L. punmahuida, and L. shitan (absence of these stripes and lines). 
CommentHabitat: The area is characterized by aridity and scarce but torrential rains, which create a soil moisture deficit and a typical vegetation of the Monte phyto- geographic region (Cabrera, 1971). The vegetation at the type locality includes Atriplex zampa, Sporobolus rigens, Larrea divaricata, Prosopis flexuosa var. depressa, and Neosparton darwinii.

Sympatry: Liolaemus cuyumhue, Liolaemus gracilis, Liolaemus mapuche, Liolaemus grosseorum, Aurivela longicaudus, Leiosaurus belli, Homonota fasciata, and Homonota darwinii. 
EtymologyThe specific epithet quinterosi is in honor of Dr. Andrés Sebastián Quinteros, in recognition of his contribution to the knowledge in this genus for more than 13 years getting valuable taxonomic and systematic contributions, and for his participation in the description of 15 new species of Liolaemus. 
References
  • Ruiz, Maria Soledad; Quipildor, Angel Matias; Bulacios Arroyo, Ana Lucia; Chafrat, Pablo; Abdala, Cristian Simon 2019. A new species of the Liolaemus elongatus group (Iguania: Liolaemidae) from Neuquén Province, Argentina, with comments on its genitalia morphology. Cuad. herpetol. 33 (1): 17-27 - get paper here
 
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