Trimeresurus calamitas VOGEL, DAVID & SIDIK, 2022
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Trimeresurus calamitas
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| Higher Taxa | Viperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | |
| Synonym | Trimeresurus calamitas VOGEL, DAVID & SIDIK 2022: 62 Trimeresurus erythrurus var. ? — MÜLLER 1887: 280 Bothrops formosus — MODIGLIANI 1889: 121 Trimeresurus hageni — SANDERS et al. 2002: 109 [partim] Trimeresurus hageni — SANDERS et al. 2004: 729 [partim] Trimeresurus (Trimeresurus) calamitas— MIRZA et al. 2023 |
| Distribution | Indonesia (Nias Island, North Sumatra Province) Type locality: Nias Island |
| Reproduction | |
| Types | Holotype. NMW 28157:5, adult female. Don. F. Steindachner, 1901, purchased from “Raff.” Paratypes (6 specimens). NHMB 9179 (male) “South Nias”, ZMH R06935 (male), ZFMK 32509 (female), BMNH 84.1.8.46 (female); MZB.OPHI 445 (female); ZMB 52039 (female) all from “Nias” without locality except MZB.OPHI 445, from Idano Gawo, Nias. Other material (examined by Vogel et al. 2022: 5 males and 18 females). BMNH 84.12.31.14 (male); BMNH 84.1.8.47 (female); BMNH 84.12.31.13 (female); MNHN 5794, female; NMW 28155:2; NMW 28156:2; NMW 28157:4 (all males); NMW 28156:1, 3–4; NMW 28157:1–3; NMW 28159:4; NMW 28160:1–4 (all females); ZFMK 32509–10 (females); ZMB 65721 (male); ZMB 52039–41 (all females), all from Nias except MNHN 5794, with merely ―Sumatra‖ as locality, and NMW 28159:2, from “Padang”, and NMW 28159:4, which is said to come from “Deli, Sumatra”, now Medan, North Sumatra Province, both most probably in error. |
| Diagnosis | Diagnosis: A large species of pitviper of the genus Trimeresurus, characterized by the combination of (1) body elongate, head long and massive in adults; (2) dorsal surfaces deep or dark green, or dark bluish-green, with dorsal scales largely edged with black but non forming a pattern of crossbands; (3) 21 DSR at midbody; (4) 1st supralabial totally separated from nasal scale; (5) large internasals, always in contact; (6) usually 2 supralabials, 3rd–4th SL in contact with subocular (rarely 1st or 3rd SL only); (7) supraoculars large but elongate, separated by 5– 7 cephalic scales; (8) tail long, with a ratio TaL/TL between 0.189 and 0.208 in males and 0.143 and 0.166 in females; (9) 174–192 VEN; (10) 61–77 SC (males: 75–77; females: 61–71); (11) eye colour greenish-gold in preservative (unknown in life); (12) cephalic scales strongly and broadly edged with black but not forming streaks; (13) no postocular streak; (15) no ventrolateral stripe or, rarely, a poorly defined stripe due to a cream or pale greenish-yellow spot on each scale of the 1st DSR; (16) tail dark green as the body, with scales edged with black, marked with several, large rusty brown or reddish-brown blotches (pinkish-salmon in preservative), narrowly separated with dark green, becoming fused on the last quarter of the tail, which is entirely of the same colour as the blotches; and (17) venter pale yellowish green or pale bluish green; each ventral narrowly edged with black, especially on their central part, sometimes on the whole of their posterior margin. (Vogel et al. 2022) |
| Comment | Distribution: See Vogel et al. 2022: 78 (Fig. 13) for a map. |
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