Uromacer frenatus (GÜNTHER, 1865)
Can you confirm these amateur observations of Uromacer frenatus?
Uromacer frenatus
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| Higher Taxa | Colubridae (Dipsadinae), Alsophiini, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | Uromacer frenatus frenatus (GÜNTHER 1865) Uromacer frenatus chlorauges SCHWARTZ 1976 Uromacer frenatus dorsalis DUNN 1920 Uromacer frenatus wetmorei COCHRAN 1931 |
| Common Names | E: Slender Hispaniolan Vinesnake, Island Pointed Snake |
| Synonym | Ahaetulla frenata GÜNTHER 1865: 94 Uromacer inornatus GARMAN 1887: 284 Uromacer frenatus — BOULENGER 1893 Uromacer frenatus — BOULENGER 1894: 116 Uromacer frenatus — SCHMIDT 1921: 19 Uromacer frenatus frenatus — SCHWARTZ & HENDERSON 1988: 239 Uromacer frenatus — SCHWARTZ & HENDERSON 1991: 663 Uromacer frenatus — WALLACH et al. 2014: 778 Uromacer frenatus chlorauges SCHWARTZ 1976 Uromacer wetmorei chlorauges — SCHWARTZ 1979 Uromacer frenatus dorsalis DUNN 1920 Uromacer dorsalis DUNN 1920: 43 Uromacer frenatus dorsalis — SCHWARTZ 1979 Uromacer frenatus dorsalis — SCHWARTZ & HENDERSON 1988: 239 Uromacer frenatus wetmorei COCHRAN 1931 Uromacer wetmorei COCHRAN 1931: 91 Uromacer frenatus wetmorei — SCHWARTZ 1979 Uromacer frenatus wetmorei — SCHWARTZ & HENDERSON 1988: 239 |
| Distribution | Hispaniola (S Haiti, SW Dominican Republic), Ile de la Gonave, Ile Grande Cayemite, Ile-a-Vache, Isla Beata frenatus: South island and Grosse Caye, as far east in the República Dominicana as El Aguacate and Puerto Escondido; in Haiti, known only from the Jacmel region, east to Belle Anse ( = Saltrou). Type locality: Unknown. chlorauges: Haiti, from Soliette on the north face of the Massif de la Selle, east to the city of Barahona, Repùblica Dominicana, south onto the Peninsula de Barahona and the south slopes of the Massif de la Selle. dorsalis: Île de la Gonâve. wetmorei: Isla Beata. INCERTAE SEDIS: Material from Île-à-Vache and Île Grande Cayemite is only provisionally considered U. f. frenatus. Horn, 1969, noted possible introgression between U. frenatus and U. oxyrhynchus in the Diquini region. |
| Reproduction | oviparous |
| Types | Holotype: BMNH 1946.1.6.70. Holotype: CM 56831 [chlorauges] Holotype: MCZ 12867 [dorsalis] Holotype: USNM 83891, Collected by: Dr. A. Wetmore and Mr. F. C. Lincoln; Collection Date: May 13, 1931 [wetmorei] Holotype: MCZ 3610 (also given as 3345) [inornatus] |
| Diagnosis | DESCRIPTION: Maximum SVL 930 mm; elongate body and snout; ventrals 176-205 in males, 172-200 in females; subcaudals 168-224 in males, 161-215 in females; ventrals + subcaudals 351-420 in males, 340-413 in females; dorsal scale rows at midbody 17. Dorsum polychromatic (green, gray, tan, brownish to brown), with or without a well-defined middorsal zone; head and extreme anterior portion of body (dorsally and ventrally) green to yellow-green in monochromatic and polychromatic populations; with or without a pale lateral line on anterior quarter (or less) of body (Schwartz & Henderson 1991: 663). Diagnosis (wetmorei): Snout two and one-half times as long as eye; rostral as broad as deep; scale rows 17-11 in the male; ventrals 177. Related to Uromacer frenatus, but differing from it in scale-count as well as in the exceedingly narrow frontal. (Cochran 1931) |
| Comment | Frank & Ramus (1995) erroneously listed Uromacer wetmorei SCHWARTZ 1979. Habitat: partly arboreal (Harrington et al. 2018). |
| Etymology | Named after Latin frēnātus, perfect passive participle of frēnō (“fit a bridle”), possibly a reference to the dark stripes on the lateral sides of the head. The subspecies epithet, wetmorei, is named after (Frank) Alexander Wetmore (1886-1978), collector of the type species. He was an ornithologist, avian paleontologist, conservationist, and the sixth Secretary of the Smithsonian, serving from 1945 to 1952. The first Smithsonian Secretary to receive a PhD, Wetmore began his career as a museum assistant and then spent almost fifteen years as a field biologist for the US Biological Survey. He joined the Smithsonian staff in 1924, serving in a variety of administrative positions until his election as Secretary in 1945. He continued an active research career throughout his Smithsonian years and was instrumental in developing research programs in tropical biology. |
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