Table 3. Meristic variation of Tropidodipsas tricolor sp. nov. and Tropidodipsas papavericola sp. nov. SpeciesT. tricolor sp. nov.T. papavericola sp. nov.SpecimenINIRENA 2800INIRENA 2798INIRENA 2801INIRENA 2802INIRENA 2803INIRENA 2804INIRENA 2810INIRENA 2805SexMaleFemaleMaleMaleMaleMaleMaleMaleSnout-vent Length210310421366363430258336Tail Length679313711911312791112Total Length277403558485476557349448Head length8.3013.6218.9715.2515.8318.5813.0314.92Anterior ChinshieldLonger than wideLonger than wideLonger than wideLonger than wideLonger than wideLonger than wideLonger than wideLonger than widePosterior ChinshieldsLonger than wideLonger than wideLonger than wideLonger than wideLonger than wideLonger than wideLonger than wideLonger than wideGulars33445455Infras in contact with 1st CS55544544Ventral Scales183183180180188189182179Subcaudal Scales79 / 7979 / 797674 left / 7473 / 73697473Pre-oculars (Side)1. 11. 1*2. 22. 22. 22. 22.22. 2Post-oculars (Side)2. 23. 32.22. 22. 21. 12. 22. 2Anterior Temporals (Side)1. 11. 11. 11. 11. 11. 11. 11. 1Posterior Temporals (Side)2. 22. 22. 22. 22. 22. 22. 22. 2Supralabials (Side)8. 77. 87. 76. 66. 75. 67. 76. 6Infralabials (Side)8. 88. 97. 66. 66. 66. 67. 76. 6Post-mentals00000000Pale Body Bands (Side)19. 1919. 20-32. 2834. 3529. 2727. 2725. 25Pale Tail Bands (Side)9. 98. 8-14. 12-11. 1115. 1613. 13Black Body Blotches (Side)19. 1919. 2132. 3330. 3135. 3527. 2729. 2826. 26Black Tail Blotches (Side)8. 88. 814. 1415. 15-10. 1116. 1413. 13Total Pale Body Blotch Count (Body & Tail)28. 2828. 2846. 4745. 4642. 4237. 3845. 4239. 39TL/TotL0.240.230.250.250.240.230.260.25TL/SVL0.320.300.330.330.310.300.350.33Internasal Length1.002.341.701.341.501.460.901.44Internasal Width1.602.624.483.533.584.742.963.52Loreal Length0.9 / 1.01.19 / 1.101.73 / 1.701.46 / 1.381.36 / 1.341.26 / 1.221.0 / 1.01.40 / 1.38Loreal Width1.0 / 1.01.24 / 1.121.84 / 1.821.45 / 1.21.38 / 1.421.40 / 1.460.92 / 0.941.30 / 1.26Loreal into orbitNoNoNoNoNoNoNoNoPre-frontal Length1.702.343.392.812.893.262.482.36Pre-frontal Width2.002.645.754.694.695.063.844.33Prefrontal into orbitYesYesNoNoNoNoNoNoFrontal Length2.802.884.233.583.713.933.313.60Frontal Width2.402.703.812.733.353.352.713.08Parietal Length4.305.546.586.825.516.264.615.28Length Anterior Chinshields2.4 / 2.63.49 / 3.634.734.034.315.723.333.58Length Posterior Chinshields1.9 / 1.82.28 / 2.423.721.942.252.671.812.15Eye Diameter2.102.803.203.023.113.562.712.85ED/HL0.250.210.170.200.200.190.210.19Pre-Frontal Length/Width0.850.890.590.600.620.640.650.55HL/SVL0.040.040.050.040.040.040.050.04Midbody scale rows1515151515151515Head scale rows1515151515151515Caudal scale rows1515151515151515Lateral compresionYes - ExtremeYes - ExtremeYes - OvalYes - OvalYes - OvalYes - OvalYes - OvalYes - OvalAnal plateUndividedUndividedUndividedUndividedUndividedUndividedUndividedUndividedPenultimate supralabial enlargedYesYesYesYesYesFusedYesYesFirst infraliabals in contactYesYesYesYesYesYesYesYesPale nuchal bandYesYesYesYesYesYesYesYes

Published as part of Gruenwald, Christoph I., Toribio-Jimenez, Sarahi, Montano-Ruvalcaba, Carlos, Franz-Chavez, Hector, Penaloza-Montano, Miguel A., Barrera-Nava, Eduardo Y., Jones, Jason M., Rodriguez, Christopher M., Hughes, India M., Strickland, Jason L. & Reyes-Velasco, Jacobo, 2021, Two new species of snail-eating snakes of the genus Tropidodipsas (Serpentes, Dipsadidae) from southern Mexico, with notes on related species, pp. 233 in Herpetozoa 34 on page 233, DOI: 10.3897/herpetozoa.34.e69176