宁波滑蜥北方亚种Scincella modesta septentrionalis

36.宁波滑蜥北方亚种Scincella modesta septentrionalis

形态特征:成体全长一般在130mm以下。全身光滑无棱,通身被圆鳞。无上鼻鳞;下眼睑中央有一透明的睑窗。四肢短小纤细,前后肢贴体相向时,指、趾不相遇。体背古铜色,散有黑色小点或线纹;体侧有一条黑褐色纵纹,纵纹上缘波状。

生活习性:多栖息在林下或草丛中,地面一般都覆盖有枯枝落叶形成的腐殖质层和乱石。常可见到它在草丛中或在枯枝落叶中爬爬停停,钻上钻下,寻找食物。捕食各种小型无脊椎动物。4月可见到雌雄交配现象,6月上旬以后开始产卵。每次产卵4~8枚,多5枚,卵约经40天孵化出幼体。

地理分布:中国特有亚种,分布于辽宁、天津、北京、河北、江苏。

环渤海地区分布:辽西、河北、北京、天津(蓟县)。

生存现状:无危(LC)。

注:宁波滑蜥北方亚种环体中段鳞多数30行,第4趾趾下瓣12~15枚,前后肢贴体相向时,指趾不相遇,相距前肢长的一半,分布于长江以北。宁波滑蜥指名亚种S.modesta modesta环体中段鳞多数28行,第4趾趾下瓣10~16枚,前后肢贴体相向时,雄性彼此相遇或超越,雌性指趾不相遇,分布于长江以南。

Squamata Scincidae Scincella

36.Scincella modesta septentrionalis

Description Adults less than 130mm in TOL.Smooth skin, without tubercles; the body is covered with round scales, without supranasals; a transparent eyelid window in the middle of the lower eyelid; limbs are short and slender; limbs adpressed not touching; body dorsum is bronze, with small black dots or stripes; one dark brownish stripe on body sides, and the upper rim of the stripes wave-shaped.

Behaviour Scincella modesta septentrionalis mostly live in the undergrowth and grass;the places are the humus layer and stony stones where the ground is covered with withered leaves.They can often be found in the grass or the dead leaves; they clime and drill to look for foods.They feed on a variety of small invertebrates.The mating season is in April and the spawning period begins after early June.They lays 4 -8 eggs, some can lay 5 eggs each time, and it takes about 40 days to hatch juveniles.

Distribution Native subspecies to China: in Liaoning, Tianjin, Beijing, Hebei, and Jiangsu.Distribution around Bohai Sea: in Liaoning Province (Lingyuan), Hebei Province,Beijing, Tianjin (Jixian)

Conservation Least Concern (LC)

Notes Scincella modesta septentrionalis have up to 30 lines of annulus middle section scales, and there are 12-15 scales under the lower part of the 4th toe.When the anterior and posterior limbs are opposite, the toes and fingers do not meet.The distance between the toes and fingers are half of the forelegs.They can be found in the north of the Yangtze River.Scincella modesta has up to 28 rows of annulus middle section scales, and there are 10-16 scales under the lower part of the 4th toe.When the anterior and posterior limbs are opposite, the male's toes meet or surpass each other and the female's toes do not meet.Scincella modesta can be found in the south of the Yangtze River.