TABLE 6 in A new species of green pitviper of the Trimeresurus macrops complex (Reptilia: Serpentes: Viperidae) from South Central Coastal Region of Vietnam

TABLE 6. Comparison of morphological characters of Trimeresurus cyanolabris sp. nov. with T. cardamomensis, T. macrops, and T. rubeus. Remarks: Diagnostic differences from the new species are marked in bold. (?): requires verification.
SpeciesT. cyanolabris sp.T. cardamomensisT. macropsT. rubeusnov.max SVL (mm,478 (n=3)535 (n=5)557 (n=42)586 (n=2)males)max SVL (mm,638 (n=10)536 (n=5)570 (n=23)503 (n=5)females)TaL/TL (males)0.18–0.210.17–0.200.17–0.220.21–0.22(͞X=0.19, n=3)(͞X=0.19, n=5)(͞X=0.19, n=32)(X=0.22, n=2)TaL/TL (females)0.13–0.150.14–0.170.13–0.170.15–0.19(͞X=0.14, n=10)(͞X=0.15, n=4)(͞X=0.15, n=22)(X=0.17, n=5)HW/HL (males)0.55–0.680.58–0.720.56–0.820.53–0.60(͞X=0.61, n=3)(͞X=0.65, n=4)(͞X=0.68, n=45)(͞X=0.56, n=2)HW/HL (females)0.65–0.700.44–0.760.60–0.770.46–0.72(͞X=0.66, n=10)(͞X=0.64, n=4)(͞X=0.68, n=21)(͞X=0.61, n=3)ED/EN (males)0.67–0.780.66–0.910.62–1.120.66–0.74(͞X=0.74, n=3)(X =0.78, n=4)(͞X=0.89, n=42)(X=0.70, n=2)ED/EN (females)0.62–0.880.51–0.970.64–0.970.79–0.95(͞X=0.71, n=8)(X=0.74, n=2)(͞X=0.83, n=23)(͞X=0.85, n=3)nov.VEN (males)166–175165–170158–173164–171(͞X=171.0, n=3)(͞X=167.0, n=5)(͞X=165.2, n=42)(X=167.5, n=2)VEN (females)169–178168–175159–173158–163(͞X=174.1, n=10)(͞X=171.8, n=5)(X=166.4, n=23)(X=159.8, n=5)SC (males)71–7560–7563–7478–80(͞X=72.7, n=3)(X=67.0, n=5)(͞X=68.1, n=33)(X=79.0, n=2)SC (females)52–6258–6350–6254–69(͞X=57.7, n=10)(͞X=59.8, n=4)(͞X=55.6, n=22)(X=61.6, n=5)VEN+SC (males)241–247226–243225–240244–249(͞X=243.7, n=3)(X=234.0, n=5)(X=233.0, n=33)(͞X=246.5, n=2)VEN+SC (females)223–237228–234214–235214–228(͞X=231.8, n=10)(͞X=231.8, n=4)(X=222.1, n=22)(X=221.4, n=5)Postocular stripeAbsentpresentpresentpresentin malesVentrolateralindistinct, whitepresent, white or red andpresent, white or red andpresent, white or redbody stripeswhitewhiteand whiteSize scales on headSmalllargesmallsmallbehind internasalscalesHead shapemore elongate-ovalmore triangularmore elongate-ovalmore elongate-ovalVentral of bodygreen bluegreen yellowgreen yellowgreen yellowIris colorgolden yellowgolden yellowgolden yellowbright or deep reddish-orangeDistributionsVietnam (SouthCambodia (southwestern),Thailand (northern?,Vietnam (southern ofCentral Coast)Thailand (southeastern),central, southern), Laos?Langbiang plateau);Vietnam (Phu Quoc Isl.)(central, southern),Cambodia (eastern)Cambodia?Sourcesour dataMalhotra et al. (2011);Malhotra et al. (2011); ourMalhotra et al. (2011);Ziegler et al. (2018); ourdataour datadata
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