Pareas yunnanensis (VOGT, 1922)
Can you confirm these amateur observations of Pareas yunnanensis?
Pareas yunnanensis
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| Higher Taxa | Pareidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Yunnan Slug Snake Chinese: 云南钝头蛇” (Yún Nán Dùn Tóu Shé) |
| Synonym | Amblycephalus yunnanensis VOGT 1922: 142 Amblycephalus monticola chinensis — MELL 1931 [1929] Pareas yunnanensis — RAO & YANG 1992 Pareas yunnanensis — GUO et al. 2020 Pareas yunnanensis — WANG et al. 2020 Pareas yunnanensis — WANG et al. 2022 Pareas (Eberhardtia) yunnanensis — LIU et al. 2023 |
| Distribution | China (Yunnan) Type locality: Dali Prefecture, Yunnan Province. |
| Reproduction | |
| Types | Syntypes: ZMB 27660, 65431, adult females; other specimens: KIZ |
| Diagnosis | Diagnosis: “This species differs from Pareas geminatus by having fewer subcaudals, relatively more rows of keeled mid-dorsal scales, relatively fewer ventral scales, solid black dorsal surface of head, and no distinct large black spots or stripe on each side of head; it differs from P. xuelinensis Liu & Rao, 2021 by infralabials not fused with chin-shields, vertebral scales enlarged, having fewer ventral scales, fewer subcaudals, relatively more rows of keeled mid-dorsal scales, and solid black dorsal surface of head. SVL 387–482 mm in adults, TL 94–110 mm in adults, TL/SVL 0.22–0.25; preoculars mostly single, rarely two; postoculars and suboculars mostly fused, rarely separated; loreal bordering orbit in most individuals; prefrontal bordering orbit; supralabials 6–8, infralabials 6–8; infralabials not fused with chin-shields; dorsal scales in 15 rows throughout the body; vertebral scales enlarged; 5–7 rows of mid-dorsal scales keeled on the middle part of the body; precloacal plate undivided; ventral scales 169–175; subcaudals 59–65, all paired. Dorsal surface of head black; no or 1–2 indistinct large black spots on each side of head, no stripe on each side of head; two wide black stripes pass from parietals to the vertical black bars on neck; dark nuchal band absent; vertical black bars distinct on trunk and indistinct on tail; iris brownish-yellow or brownish-orange.” (Liu et al. 2023) |
| Comment | Synonymy: previously considered as a synonym of P. komaii. |
| Etymology | Named after the type locality. |
| References |
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