玉斑锦蛇Euprepiophis mandarina
地方名：玉带蛇、神皮花蛇
形态特征：中型无毒蛇，成体全长800～1300mm。头较小，与颈区分不明显。头背黄色，具明显3条黑色斑纹，第一条横跨鼻间鳞经鼻孔及上唇止于下唇。第二条略呈弧形，横跨两眼之间，在眼下方分为两支达口缘。第三条呈“∧”形，尖端在额鳞处，向后斜向头后两侧。体尾背灰色或紫灰色，正中有一行较大的黑色菱形斑，（18～31）+（6～11）个，菱斑中心黄色。腹面黄白色，散有交错排列的黑褐色方块斑。华北地区所产个体斑块较窄而紧密，体底色以藕荷色为主。上唇鳞7枚，呈2-2-3式，下唇鳞多为9枚，背鳞平滑，23-23-19行。腹鳞201～237枚，尾下鳞58～76对，肛鳞二分。
生活习性：生活于山区和丘陵地带，也常发现于山区居民点附近，水沟边或山上草丛中。以鼠类、蛇类、蜥蜴等为食。卵生，6—7月产卵，每产5～16枚，呈长椭圆形或长圆柱形。
地理分布：广布种，国内除黑龙江、吉林、内蒙古、山东、宁夏、青海、新疆、海南以外各省区均有分布；国外分布于缅甸北部，老挝及越南。
环渤海地区分布：除山东未见报道外，均有分布。
生存现状：易危（VU）。
52.Euprepiophis mandarina
Description Adults up to 800-1,300mm TOL, medium-sized body and non-toxic.Head is relatively small, not clearly distinct from the neck; the head dorsum is yellow, with three obvious black stripes; the first across the nasal scales, from the upper lip to the lower lip;the second one is slightly curved, spanning between the two eyes, divided into two edges;the third one inverted in V shape, with the tip at the scales and diagonally dorsum to the rear sides of the head; the body dorsum is grey or purple grey, with a large line of black rhomboid spots, the center of diamond shape spots is yellow, about 18-31+6-11 pieces;the ventral side is yellowish white, scattered with interlaced black-brown square spots;some individuals that found in North China have relatively narrow and tight spots; body's base color is mainly lotus; supralabials are arranged in 2-2-3 rows; 9 infralabials; dorsal scales are smooth and arranged in 23-23-19 rows; 201-237 ventral scales; 58-76 pairs of subcaudals; 2 anal plates on the anus.
Behaviour Euprepiophis mandarina live in mountainous and hilly areas, and they are also often found in the vicinity of mountain settlements, on the edge of gutters or in the grass in the mountains.They prey on rats, snakes and lizards.This species is ovoviviparous.They produce 5-16 eggs at a time in June and July, and the eggs are oval or cylindrical in shape.
Distribution Widely in China: not in Heilongjiang, Jilin, Inner Mongolia, Shandong,Ningxia, Qinghai, Xinjiang and Hainan.At abroad: in the northern Myanmar, Laos and Vietnam.Distribution around Bohai sea: everywhere, except Shandong Province where is not reported.
Conservation Vulnerable (VU).
