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Zootaxa 2757: 1-23 (4 Feb. 2011) 8 plates; 28 references Accepted: 22 Dec. 2010
Two new species of pitviper of the genus Cryptelytrops Cope 1860 (Squamata: Viperidae: Crotalinae) from Southeast Asia
ANITA MALHOTRA1, ROGER S. THORPE1, MRINALINI1 & BRYAN L. STUART2
1School of Biological Sciences, College of Natural Sciences, Bangor University, Gwynedd, UK. E-mail: a.malhotra@bangor.ac.uk, r.s.thorpe@bangor.ac.uk, bsp22e@bangor.ac.uk
2North Carolina Museum of Natural Sciences, USA. E-mail: bryan.stuart@ncdenr.gov
Abstract
We describe two new species of green pitviper from Southeast Asia that are morphologically similar to Cryptelytrops macrops, but can be distinguished from that species by genetic means, multivariate analysis of morphology and some aspects of coloration. Cryptelytrops cardamomensis sp. nov., is described from southeastern Thailand and the Cardamom Mountains of southwestern Cambodia. Cryptelytrops rubeus sp. nov. has been recorded from southern Vietnam and eastern Cambodia. These species have previously been confused with C. macrops, hence we also present here a redescription of this species, whose range is now restricted to Thailand, southern and central Laos, and northeastern Cambodia. All three species are present in Cambodia, but have disjunct ranges corresponding to three separate highland regions in southwestern (Cardamom Mountains), northeastern (western edge of the Kontum Plateau) and eastern (low elevation hills on the western edge of the Langbian Plateau) Cambodia for C. cardamomensis, C. macrops and C. rubeus respectively. However, there is still considerable morphological variation between geographically separated populations of C. macrops s.s., and greater sampling in southern and northern Thailand in particular may be required before the species diversity of this group is fully clarified.
1、大眼竹叶青蛇 Cryptelytrops macrops sensu stricto (Kramer 1977) (Big-eyed Green Pitviper) 
2、豆蔻山竹叶青蛇 Cryptelytrops cardamomensis sp. nov. (Cardamom Mountains Green Pitviper)
3、赤眼竹叶青蛇 Cryptelytrops rubeus sp. nov. (Ruby-eyed Green Pitviper)
Zootaxa 2757: 1-23 (4 Feb. 2011) 8 plates; 28 references Accepted: 22 Dec. 2010
Two new species of pitviper of the genus Cryptelytrops Cope 1860 (Squamata: Viperidae: Crotalinae) from Southeast Asia
ANITA MALHOTRA1, ROGER S. THORPE1, MRINALINI1 & BRYAN L. STUART2
1School of Biological Sciences, College of Natural Sciences, Bangor University, Gwynedd, UK. E-mail: a.malhotra@bangor.ac.uk, r.s.thorpe@bangor.ac.uk, bsp22e@bangor.ac.uk
2North Carolina Museum of Natural Sciences, USA. E-mail: bryan.stuart@ncdenr.gov
Abstract
We describe two new species of green pitviper from Southeast Asia that are morphologically similar to Cryptelytrops macrops, but can be distinguished from that species by genetic means, multivariate analysis of morphology and some aspects of coloration. Cryptelytrops cardamomensis sp. nov., is described from southeastern Thailand and the Cardamom Mountains of southwestern Cambodia. Cryptelytrops rubeus sp. nov. has been recorded from southern Vietnam and eastern Cambodia. These species have previously been confused with C. macrops, hence we also present here a redescription of this species, whose range is now restricted to Thailand, southern and central Laos, and northeastern Cambodia. All three species are present in Cambodia, but have disjunct ranges corresponding to three separate highland regions in southwestern (Cardamom Mountains), northeastern (western edge of the Kontum Plateau) and eastern (low elevation hills on the western edge of the Langbian Plateau) Cambodia for C. cardamomensis, C. macrops and C. rubeus respectively. However, there is still considerable morphological variation between geographically separated populations of C. macrops s.s., and greater sampling in southern and northern Thailand in particular may be required before the species diversity of this group is fully clarified.
1、大眼竹叶青蛇 Cryptelytrops macrops sensu stricto (Kramer 1977) (Big-eyed Green Pitviper) 2、豆蔻山竹叶青蛇 Cryptelytrops cardamomensis sp. nov. (Cardamom Mountains Green Pitviper)
3、赤眼竹叶青蛇 Cryptelytrops rubeus sp. nov. (Ruby-eyed Green Pitviper) 
