Table 3 in Another new species of karst-associated pitviper (Serpentes, Viperidae: Trimeresurus) from the Isthmus of Kra, Peninsular Thailand

Table 3 (continued on next page). Comparison of morphological characters of Trimeresurus kraensis sp. nov. with T. ciliaris Idiiatullina et al., 2023, T. kanburiensis Smith, 1943, T. kuiburi Sumontha et al., 2021, and T. venustus Vogel, 1991. Diagnostic differences from the new species are marked in bold. For abbreviations see Material and methods section. n = number of specimens.
CharacterT. kraensis sp. nov.T. ciliarisT. kanburiensisT. kuiburiT. venustusTL (males, mm)397 (n = 1)417–432 (avg. 425. 5, n = 4)500 (n = 1)412–465 (avg. 435. 7, n = 4)383–580 (avg. 481. 0, n = 12)TL (females, mm)305–542 (avg. 388.0, n = 3)384 (n = 1)426–667 (avg. 531. 8, n = 5)372–522 (n = 2)476–530 (avg. 514. 8, n = 4)TaL/TL (males)0.174 (n = 1)0.167–0.173 (avg. 0.169, n = 4)0.176 (n = 1)0.173–0.190 (n = 0.182, n = 4)0.155–0.193 (avg. 0.180, n = 12)TaL/TL (females)0.138–0.153 (avg. 0.146, n = 3)0.133 (n = 1)0.124–0.142 (avg. 0.133, n = 5)0.133–0.135 (n = 2)0.137–0.151 (avg. 0.146, n = 4)VEN (males)167 (n = 1)172–175 (avg. 173, n = 4)172 (n = 1)164–166 (avg. 165.5, n = 4)166–175 (avg. 170.9, n = 14)VEN (females)169–171 (avg. 170.3, n = 3)171 (n = 1)170–178 (avg. 174.3, n = 4)164–171 (n = 2)173–181 (avg. 177. 3, n = 4)SC (males)6259–63 (n = 2)59 (n = 1)63–65 (avg. 64.5, n = 4)60–75 (avg. 67.5, n = 13)SC (females)52–54 (avg. 53.0, n = 3)52 (n = 1)46–51 (avg. 48. 3, n = 4)51–53 (n = 2)51–57 (avg. 54.3, n = 4)VEN + SC(males)229 (n = 1)232–238 (avg. 234.0, n = 4)227–231 (avg. 230, n = 4)231 (n = 1)229–248 (avg. 238. 7, n = 13)VEN + SC (females)222–225 (avg. 223.3, n = 3)223 (n = 1)215–224 (n = 2)219–229 (avg. 222.5, n = 4)224–236 (avg. 231. 5, n = 4)ASR21 (n = 4)17 (n = 5)21–23 (avg. 22. 2, n = 6)21–23 (avg. 21.3, n = 6)21–25 (avg. 22. 5, n = 10)MSR21 (n = 4)17 (n = 5)19 (n = 6)19 (n = 6)19–21 (avg. 20.8, n = 18)PSR15 (n = 4)15 (n = 5)15–16 (avg. 15.2, n = 6)15 (n = 6)15 (n = 18)IOS11–1311–147–99–118–12InN sep0 (n = 4)0–1 (n = 5)1–2 (avg. 1. 33, n = 6)0 (n = 6)0–1 (avg. 0. 538, n = 17)Suborbital stripe (males)straightconcavestraightconcavestraightSmall scale between nasal and 2 nd supralabialabsentpresentpresent/absentabsentabsentDorsum colour in lifered/purple bands on dark/ bottle green backgroundreddish brown bands on emerald-green backgrounddark olive-brown bands on olive-grayish backgroundred/purple bands on bottle green backgroundred/purple bands on dark/ bottle green backgroundWhite vertebral dots (in males)present, every 2–4 scalespresent, every 2–3 scalespresent, every 3–5 scalespresent, every 5–6 scalesabsentWhite vertebral dots (in females)absentpresent, every 2–3 scalesabsentabsentabsentBelly background colour in lifepale greencreamy whitecreamy whitepale greenpale greenLateral dark stripe on ventralsalways present, discontinuous, reddish brownabsentalways present, discontinuous, olive-brownabsentSupraocular scaleone, largethree or four, smallone, largeone, largeone, largeIris colourslight copperolive-green with faded brown horizontal stripebrown, slightly goldencopperyellowish-brown/goldTail colourbrown with dark purplish-brown crossbarsdark brown mottled with rustybrownish-gray with olive-brown blotchesred with some thin lighter bandsbrown with dark purplish-brown crossbarsDistributionThailand (Chumpon)Thailand (Trang, Satun), Malaysia (Perils)Thailand (Kanchanaburi)Thailand (Prachuap Khiri Khan)Thailand (Surat Thani, Phang-Nga, Trang, Nakhon Si Thammarat, Surat Thani, Krabi), Malaysia (Kedah?)SourcesSumontha et al. 2021; our dataIdiiatullina et al. 2023; our dataSmith 1943; David et al. 2004; our dataSumontha et al. 2021; our dataVogel, 1991; David et al. 2004; Malhotra & Thorpe 2004b; our data