Hebius andreae (ZIEGLER & LE KHAC QUYET, 2006)
Can you confirm these amateur observations of Hebius andreae?
|Higher Taxa||Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Common Names||E: Andrea’s Keelback|
V: Ran sai Andrea (Vietnamese)
F: Amphiesma d’Andrea
G: Andreas Gebirgswassernatter
|Synonym||Amphiesma andreae ZIEGLER & LE KHAC QUYET 2006|
Amphiesma andreae — DAVID et al. 2007
Hebius andreae — GUO et al. 2014
Amphiesma andreae — WALLACH et al. 2014: 28
|Distribution||Vietnam (Quang Binh), Laos|
Type locality: from adjacent to Phong Nha - Ke Bang, Thuong Hoa commune, Minh Hoa district, Quang Binh province, elevation 450 m.
|Types||Holotype: ZFMK 83747|
|Diagnosis||Diagnosis: Amphiesma andreae sp. n. can be distinguished from all congeners on the basis of the following combination of characters: 1) Body and tail slender, tail cylindrical and tapering; tail/total length ratio 0.31; 2) the eye diameter, if projected forward, reaches beyond the suture of first and second supralabial; 3) a single loreal; 4) a single preocular; 5) three postoculars; 6) a single anterior followed by a single posterior temporal; 7) nine supralabials, fourth to sixth in contact with the eye, eighth supralabial largest; 8) nine infralabials, first pair in contact behind the mental, the first five border the anterior chinshields; 9) posterior chin-shields longer than anterior ones, separated on their entire length by gular scales; 10) 179 ventrals (plus two preventrals); 11) anal plate divided; 12) 99 divided subcaudals; 13) dorsal scales in 19-19-17 rows, keeled (except outermost row in the anterior body) with a narrow, sharp keel; 14) dorsal ground coloration brownish-olive, with a pale, black-edged bar before and behind the eye; head and neck with several pale, dark-edged blotches that turn into pale and black-edged transversal bars on the anterior body; such a transversal bar pattern dissolves anterior to the midbody region and then turns into a series of small pale blotches that build each a dorso-lateral stripe that ends at the dorsal tail base; 15) venter light, laterally with dark spots in the forebody region; 16) 34 maxillary teeth, arranged in a continuous series, the two posteriormost distinctly enlarged, without diastema; 17) hemipenis simple, with undivided sperm groove; the outer genital organ is covered with small spines except for a single, strongly enlarged spine next to the sperm groove at the hemipenis base and except for irregularly arranged mediumsized spines that encircle the hemipenis horizontally at the trunco-pedicel area.|
|Etymology||Named after Andrea Ziegler in recognition of her patience and support during the last decade of herpetological research of the senior author in Vietnam.|
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