Ahaetulla fusca (DUMÉRIL, BIBRON & DUMÉRIL, 1854)
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Ahaetulla fusca
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| Higher Taxa | Colubridae, Ahaetuliinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Dark Whip Snake G: Dunkler Baumschnüffler |
| Synonym | Dryinus fuscus DUMÉRIL, BIBRON & DUMÉRIL 1854: 812 Dryophis mycterizans rhodogaster WALL 1908 (fide SMITH 1943) Dryinus fuscus — DAVID & DUBOIS 2005 Dryophis mycterizans — BOULENGER 1896 (part) (nec Coluber mycterizans LINNAEUS 1758) Dryophis mycterizans — WALL 1905 (part) Dryophis mycterizans — BOURRET 1936 Dryophis mycterizans — DEUVE 1970 Passerita nasuta — COCHRAN 1930 (non Coluber nasutus LACÉPÈDE 1789) Dryophis nasutus — SMITH 1943 (part) (nec Coluber nasutus LACÉPÈDE 1789) Dryophis nasutus — Taylor 1965 (part) Ahaetulla nasuta — STEJNEGER 1933 (part) (nec Coluber nasutus LACÉPÈDE 1789) Ahaetulla nasuta — DOWLING & JENNER 1988 Ahaetulla nasuta — COX 1991 Ahaetulla nasuta — VOGEL 1992 Ahaetulla nasuta — MANTHEY & GROSSMANN 1997 (part) Ahaetulla nasuta — COX et al. 1998 Ahaetulla nasuta — COX et al. 2012 Ahaetulla nasuta — ZUG et al. 1998 Ahaetulla nasuta — CHAN-ARD et al. 1999 Ahaetulla nasuta — HALLERMANN et al. 2002 (part) Ahaetulla nasuta — NGUYEN et al. 2009 Ahaetulla nasuta — GRISMER et al. 2007 Ahaetulla nasuta — GRISMER et al. 2008 Ahaetulla nasuta — WALLACH et al. 2014 (part) Ahaetulla nasuta — ZUG et al. 1998 Dryophis mycterizans var. rhodogaster WALL 1908: 919 Dryophis mycterizans var. rhodogaster — WALL 1910 Dryophis mycterizans rhodogaster — SMITH 1943 Ahaetulla fusca — DAVID et al. 2022 |
| Distribution | Thailand, Cambodia, S. Vietnam, Myanmar Type locality: “Bangkok”, Thailand (neotype locality) rhodogaster: Type locality. “Shwebo, Upper Burma,” now Shwebo, Sagaing Region (22.566 °N 95.683 °E), Myanmar. |
| Reproduction | ovoviviparous (5-15 live offspring) |
| Types | Neotype. BMNH 1956.1.12.99, an adult male, collected in 1946 by a Thai assistant of Dr. M. T. Gillies and presented by J. D. Romer, by designation of David and Dubois (2005: 173). Holotype. BNHS 1982, an adult female obtained from Major H. Delmé-Radcliffe, 2 July 1908, fide David et al. 2022 [rhodogaster] |
| Diagnosis | Diagnosis: “A large species of the genus Ahaetulla inhabiting Myanmar (? See below), Thailand, Laos, Cambodia and Vietnam, characterized by the following combination of characters: (1) snout acuminate, slightly convex above, not depressed, terminating in a rostral elongate and shaped as a long, pointed dermal appendage; (2) a long rostral appendage, slightly curved downward, and shorter than horizontal eye diameter (vs. short rostral appendage in A. isabellina, A. malabarica. A. farnsworthi, A. borealis, and vs. no rostral appendage in A. mycterizans, A. prasina, A. fronticincta, A. dispar, A. travancorica, and A. perroteti); (3) rostral appendage composed of a single grooved, elongate scale (vs. rostral appendage composed of multiple small scales in A. pulverulenta, A. sahyadrensis, and A. anomala); (4) loreal scale usually absent, internasals and prefrontals in contact with supralabials but, sometimes, 1 large loreal resulting from the longitudinal division of the 3rd supralabial (vs. always present in A. dispar, A. travancorica); (5) usually 1 anterior temporal; (6) body usually an overall bright or deep green coloration, sometimes gray, buff, yellow, tan or pale brown (vs. usually gray-brown in A. pulverulenta, A. sahyadrensis and often brown in adult females of A. anomala); (7) no crown markings (vs. a distinct rhomboid crown marking present on top of head in A. sahyadrensis and A. anomala); (8) cloacal plate divided; (9) venter uniform with a pale, white or yellow longitudinal stripe on each outer edge of ventral plates; (10) at least 174 ventral plates.” (David et al. 2022) Additional details (6761 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | Synonymy: after David et al. 2022 but not exhaustive. See David et al. 2022 for sources. Previsously considered as a synonym of A. nasutus but revalidated by David et al. 2022. Distribution: See David et al. 2022: 25 (Fig. 1) for a map. Habitat: fully arboreal (by implication, Harrington et al. 2018). Types: Dryinus fuscus was described from two syntypes representing two distinct species, one being MNHN 7565, now lost, alleged to be from “Java.” David and Dubois (2005) showed that specimen MNHN 7565 is, in fact, the holotype of Ahaetulla pulverulenta. See David et al. 2022 for further discussion. |
| Etymology | From Latin, nasuta = ‘of the nose’ an adjective alluding to its elongate snout. |
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