Liolaemus carezzae CAMPOS-SOTO, RODRÍGUEZ-VALENZUELA, BRUNA, DÍAZ-CAMPUSANO, CIANFERONI, BORIC-BARGETTO & TORRES-PÉREZ, 2023
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Liolaemus carezzae
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| Higher Taxa | Liolaemidae, Iguania, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | |
| Synonym | Liolaemus carezzae CAMPOS-SOTO, RODRÍGUEZ-VALENZUELA, BRUNA, DÍAZ-CAMPUSANO, CIANFERONI, BORIC-BARGETTO & TORRES-PÉREZ 2023 |
| Distribution | Chile (Chañaral Island) Type locality: Chañaral Island 29°2'17" S, 71°34'2" W, 60 m above sea level, Atacama Region, Chile. |
| Reproduction | |
| Types | Holotype: CFFPUCV) 1117 (Colección de Flora y Fauna Pontificia Universidad Católica de Valparaíso), adult male specimen (Figures 5a, 6 and S1) collected by Ricardo Campos-Soto, 21 January 2019. Paratypes: CFFPUCV1118-1119 two adult male specimens (Figure 5c,d). CFFPUCV-1115 adult female (Figure 5b). All captured in the same place of the holotype. Collector Ricardo Campos-Soto, 21 January 2019. |
| Diagnosis | Diagnosis: Liolaemus carezzae sp. nov. can be distinguished from other Liolaemus of the zapallarensis group primarily through the following characteristics: (i) Dorsal Scale Morphology: The dorsal scales of Liolaemus carezzae sp. nov. display a unique lanceolate shape, closely overlapping in an imbricate pattern, featuring strong keels, and pronounced mucronate tips (Figure 4, Table S2). (ii) Dorsal Colouration in Males: In terms of dorsal colouration, males of Liolaemus carezzae sp. nov. demonstrate vibrant green or yellow hues on the anterior half of their bodies, transitioning to a striking blue colouration on the posterior half (Figures 5a and S2). (iii) Scales count and body measurements: In comparison with the measurements describes in L. silvai [13,30], Liolaemus carezzae sp. nov. exhibits several distinguishing characteristics. Liolaemus carezzae sp. nov. show a smaller number of SAB (mean of 3 males = 47, 1 female = 46) compared to L. silvai (mean of 8 males = 50, mean of 6 females = 50). Liolaemus carezzae sp. nov. show a greater HH (mean of 3 males = 12.3 mm, 1 female = 11 mm) in comparison to L. silvai (mean of 8 males = 8.6 mm, mean of 6 females = 7.6 mm). The males of Liolaemus carezzae sp. nov. show a longer FoL (mean of 3 males = 20 mm, 1 female = 20) compared to L. silvai males (mean of 8 males = 16.9 mm, mean of 6 females = 20 mm), although in [13] a similar mean in males (19.9) but lower in females (16.4) has been reported. Liolaemus carezzae sp. nov. Figure 6. Preserved male holotype of Liolaemus carezzae sp. nov. CFFPUCV-1117. (a) Dorsal view. Figure 6. Preserved male holotype of Liolaemus carezzae sp. nov. CFFPUCV-1117. (a) Dorsal view. (b) (b) Ventral view. (c) Lateral view. Photographies taken by Josefa Borcosque. Ventral view. (c) Lateral view. Photographies taken by Josefa Borcosque. Paratypes: CFFPUCV1118–1119 two adult male specimens (Figure 5c,d). CFFPUCV- 1115 adult female (Figure 5b). All captured in the same place of the holotype. Collector Ricardo Campos-Soto, 21 January 2019. Etymology: This species is dedicated to Carezza Botto-Mahan whose remarkable contributions to the study of natural processes, and specifically to the ecology of Chagas show fewer SINT (mean of 3 males = 16.3, 1 female = 17) compared to L. silvai (mean of 8 males = 24, mean of 6 females = 23). Liolaemus carezzae sp. nov. show a greater maximum SVL (74 mm) in comparison to L. silvai (68.1 mm [30], 71.9 mm [13]). For details see Table S2. In contrast to L. melaniceps, Liolaemus carezzae sp. nov. also exhibits noticeable dif- ferences. Liolaemus carezzae sp. nov. show a reduced number of SAB (among 44 to 49) compared with L. melaniceps (among 50 to 52) [10]. Liolaemus carezzae sp. nov. show a lower count of SINT (among 15 to 19) compared with L. melaniceps (among 25 to 27) [10]. The melanic form of L. carezzae sp. nov. has black scales with yellow, green or light blue spots, whereas L. melaniceps lacks these pots on its scales. These distinct morphological features contribute to the differentiation and identification of Liolaemus carezzae sp. nov. from its closely related species. (Campos-Soto et al. 2023) |
| Comment | This species is very similar to L. silvai and rather a subspecies of silvai than a separate species. |
| Etymology | Named after Carezza Botto-Mahan whose remarkable contributions to the study of natural processes, and specifically to the ecology of Chagas disease, have been outstanding. His research highlights the importance of assessing the role of lizards in the Trypanosoma cruzi transmission. |
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