Dendrelaphis cyanochloris (WALL, 1921)
Can you confirm these amateur observations of Dendrelaphis cyanochloris?
|Higher Taxa||Colubridae, Ahaetuliinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Common Names||E: Wall's Bronzeback|
G: Blaue Bronzenatter
|Synonym||Dendrophis pictus var. cyanochloris WALL 1921: 155|
Dendrophis boiga cyanochloris — MEISE & HENNIG 1932
Ahaetulla cyanochloris — SMITH 1940: 482
Ahaetulla cyanochloris — SMITH 1943: 244
Dendrelaphis cyanochloris — MANTHEY & GROSSMANN 1997: 337
Dendrelaphis cyanochloris — COX et al. 1998: 70
Dendrelaphis cyanochloris — WALLACH et al. 2014: 216
|Distribution||India (Assam, Arunachal Pradesh (Namdapha – Changlang district) [A. Captain, pers. comm.]), Bangladesh, Myanmar (= Burma), S Thailand,|
W Malaysia, Pulau Pinang, Pahang, Pulau Tioman.
Type locality: Eastern Himalaya, Assam, Myanmar (= Burma) [see comment]. Corrected to “Darjeeling” by VOGEL & VAN ROOIJEN 2007. Map legend:
- Region according to the TDWG standard, not a precise distribution map.
NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
|Types||Lectotype: BMNH 19220.127.116.11 (designated by VOGEL & ROOIJEN 2007).|
|Comment||Not listed by GRANDISON 1977.|
Distribution: Possibly in Bhutan (Lenz 2012). The original type locality seems to have included the Nicobar Islands but the species has not been listed for these islands by DAS 1999 or VIJAYAKUMAR & DAVID 2006.
Similar species: Can be confused with D. formosus.
The original description of D. cyanochloris is composite as it was partly based on specimens of D. humayuni Tiwari & Biswas, 1973 (fide VOGEL & ROOIJEN 2007).
Description of lectotype (subadult male from “Darjeeling”, State of West Bengal, India): SVL 59.0 cm; TAIL 26.0 cm; Head-length 19.0 mm; 201 ventrals; 137 divided subcaudals; anal plate divided; dorsals 15:15:11; vertebral scales larger than first row of dorsals, hexagonal in shape and with straight posterior margin; 1 loreal (L+R); 1 preocular (L+R); 2 postoculars (L+R); 1 supraocular (L+R); 9 supralabials (L+R); supralabials 5 and 6 touch the eye (L+R); 9 infralabials, 5th largest (L), 10 infralabials, 6th largest (R); first infralabials touch at the mental groove; infralabials 1 through 4 touch anterior chin shield (L), infralabials 1 through 5 touch anterior chin shield (R); infralabials 4 and 5 touch posterior chin shield (L); infralabials 5 and 6 touch posterior chin shield (R); first sublabial long, touches infralabials 5 through 9 (L), first sublabial short, touches infralabials 6 and 7 (R); temporals 2:2:2 (L+R); eye small, 4.3 mm in diameter (L and R averaged); a black temporal stripe starts behind the eye, covers the whole temporal region and extends onto the neck up to the level of the 4th ventral scale. In the anterior part of the body, there are groups of dorsals with white spots, these white spots are partly covered by adjoining dorsals; all dorsals, except first row, have black anterior and lower edges which are largely covered by preceding and adjoining dorsals; vertebral scales with black edges anteriorly which are largely covered by preceding vertebrals and adjoining dorsals; some vertebral scales lack a white lateral margin, some have a unilateral white margin and some have white margins bilaterally, these white margins are covered by adjoining dorsal scales; subcaudals without a black point medially; no lateral black stripes in posterior half of the body; dorsals on tail without black margins; no light ventrolateral stripe (from VOGEL & ROOIJEN 2007).
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