Salvadora deserticola SCHMIDT, 1940
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Salvadora deserticola
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| Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Big Bend Patchnose Snake G: Wüsten-Pflasternasennatter S: Culebra Chata de Montaña |
| Synonym | Salvadora hexalepis deserticola SCHMIDT 1940 Salvadora hexalepis celeris SMITH 1941: 9 Salvadora hexalepis celeris — SMITH & TAYLOR 1945: 124 Salvadora hexalepis deserticola — BOGERT 1945 Salvadora hexalepis deserticola — ZWEIFEL & NORRIS 1955 Salvadora deserticola — BOGERT & DEGENHARDT 1961 Salvadora hexalepis deserticola — HARDY 1969: 198 Salvadora hexalepis deserticola — STEBBINS 1985: 185 Salvadora deserticola — TANNER 1985: 642 Salvadora deserticola — CONANT & COLLINS 1991: 193 Salvadora deserticola — LINER 1994 Salvadora hexalepis deserticola — CROTHER 2000 Salvadora deserticola — DIXON 2000 Salvadora deserticola — TENNANT & BARTLETT 2000: 306 Salvadora deserticola — TENNANT 2003: 192 Salvadora hexalepis deserticola — LINER 2007 Salvadora hexalepis deserticola — CROTHER et al. 2012 Salvadora deserticola — WALLACH et al. 2014: 660 Salvadora deserticola — HEIMES 2016: 146 Salvadora deserticola — LEMOS-ESPINAL & SMITH 2020 |
| Distribution | USA (SE Arizona, SW New Mexico, SW Texas), Mexico (E Sonora, Chihuahua, Sinaloa, Coahuila, Durango) Type locality: Texas, Brewster County, near Chisos Mountains, Government Spring. |
| Reproduction | oviparous |
| Types | Holotype: FMNH 26615 Holotype: USNM 40043 [Salvadora hexalepis celeris] |
| Diagnosis | Diagnosis: Allied to Salvadora hexalepis hexalepis in the separation of the posterior chin shields, enlargement of the rostral, nine upper labials, in having keeled supra-anal scales, and in pale grayish coloration; distinguished by the uniformly single loreal, lower ventral count, and the situation of the narrow lateral line on the fourth scale row instead of on the third and fourth [from SCHMIDT 1940]. Diagnosis: Rostral scale well developed, elongated and with free edges; 9 supralabials, two or rarely three in contact with the eye (generally the fifth and sixth in contact); 11 infralabials; preocular scale divided; a single loreal; prenasal in contact with the second supralabial; a second pair of chinshields separated by two rows of scales; 180–205 ventrals; 66–87 subcaudals; tail is 19 to 23.5% of the total length; maxillary teeth normally 11 + 3. Color pattern consists of a pale vertebral stripe, five scales wide on the anterior third of the body and three scales wide on the rest of the body, flanked by a pair of dark dorsolateral lines located on the sixth and seventh row and separated from the lateral lines by at least one row of scales; lateral lines begin on the fourth row or on the margins of the third and fourth rows of dorsal scales. Lateral and dorsolateral lines fused on the neck. Differs from the other species in the genus by having a single loreal, usually not divided; tail shorter (less than 24% of the total length) and fewer subcaudal scales (HERNÁNDEZ-JIMÉNEZ et al. 2021). |
| Comment | Subspecies: Salvadora hexalepis deserticola has been elevated to valid species. Recognition of the species S. deserticola was made without justification by Bogert and Degenhardt (1961). However, Bogert (1945), describes characters justifying the distrinction and states that there are no intergrades. Distribution: See map in HERNÁNDEZ-JIMÉNEZ et al. 2021: Fig. 6. |
| Etymology | The species name is derived from the Latin words ‘desertum’, which means ‘desert’, and ‘icola’, which means ‘inhabitant’, in reference to the habitat at the type locality. |
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