Stenocercus qalaywasi VENEGAS, GARCÍA-AYACHI, CHÁVEZ-ARRIBASPLATA & GARCÍA-BRAVO, 2022
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Stenocercus qalaywasi
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| Higher Taxa | Tropiduridae, Iguania, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | |
| Synonym | Stenocercus qalaywasi VENEGAS, GARCÍA-AYACHI, CHÁVEZ-ARRIBASPLATA & GARCÍA-BRAVO 2022: 19 |
| Distribution | Peru (Junín) Type locality: Lampa Pariahuanca, Pariahuanca district, Huancayo province, Junín Department, Peru (11°58’51.9”S, 74°53’47.6”O, 2,587 m) |
| Reproduction | |
| Types | Holotype. CORBIDI 20567, adult male from collected by Luis A. García-Ayachi on 19 June 2019. Paratype. CORBIDI 20568, an adult female collected with the holotype. |
| Diagnosis | Diagnosis: From all currently known species of Stenocercus (including the new species described herein), S. qalaywasi sp. nov. is only similar to thirteen species (e.g., S. asenlignus sp. nov., S. arndti, S. flagracanthus, S. leybachi sp. nov., S. bolivarensis, S. carrioni, S. chlorostictus, S. crassicaudatus, S. empetrus, S. eunetopsis, S. nigrocaudatus sp. nov., S. torquatus and S. simonsii) in sharing the following characters: granular scales on posterior surface of thighs, relatively short tail, caudals spinose, and two caudal whorls per autotomic segment. From these species, S. qalaywasi possesses a smaller number of vertebrals than S. nigrocaudatus and S. torquatus (77–79 in S. qalaywasi versus 96–108 in S. nigrocaudatus and 83–115 in S. torquatus), scales on dorsal surface of neck keeled (granular in S. asenlignus, S. nigrocaudatus and S. torquatus), a longer tail than S. asenlignus, S. nigrocaudatus and S. torquatus (tail length 57–60% of total length in S. qalaywasi, 51–55% in S. asenlignus, 50–55% in S. nigrocaudatus, and 47–54% in S. torquatus). Stenocercus leybachi is easily distinguished from S. qalaywasi by having a distinct, serrate, low crest on neck (absent in S. qalaywasi) and by lacking a distinct, black antehumeral collar (complete middorsally in S. qalaywasi). Stenocercus arndti, S. crassicaudatus, S. empetrus, S. flagracanthus, and S. simonsii can also be easily distinguished from S. qalaywasi by having the scales on dorsal surface of neck granular, while in the new species they are keeled. Furthermore, S. crassicaudatus and S. flagracanthus possess more vertebrals (83–97) than S. qalaywasi (77–79). In the case of S. flagracanthus, the tail is shorter (50–54% of total length) than S. qalaywasi (57–60%). Species such as S. bolivarensis, S. carrioni, S. chlorostictus, and S. eunetopsis possess keeled scales on the dorsal surface of neck, like S. qalaywasi, and preserved specimens can be confused. However, these species can be distinguished by the following features: from S. arndti, S. carrioni, S. chlorostictus, S. empetrus, and S. simonsii by having a distinct black, middorsally complete, antehumeral collar and two nuchal bands (antehumeral collar incomplete middorsally and nuchal bands absent in the aforementioned species); from S. carrioni and S. chlorostictus by having more vertebral scales (55–72 in S. carrioni, 63–73 in S. chlorostictus and 77–79 in S. qalaywasi); from S. bolivarensis by having the lateral scales of body granular (strongly keeled in S. bolivarensis); and from S. eunetopsis by having more scales around midbody (60–80 in S. eunetopsis and 87–92 in S. qalaywasi) and a shorter tail (57–60% of total length vs. 62–66% in S. eunetopsis). (Venegas et al. 2022) |
| Comment | |
| Etymology | The specific epithet “qalaywasi” is a noun in apposition derived from two words in Quechua, “qalaywa” that means lizard and “wasi” that means home or house. The specific name refers to the habitus of this species of living in the houses of Lampa Pariahuanca village. |
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