摘要
2017年5月在安徽省岳西县鹞落坪国家级自然保护区(30°59′04.73″N,116°04′44.36″E,海拔1228 m)采集到鼩鼱形动物雄性个体1只。该个体体色棕灰,尾长约为体长的80%,颅全长大于19 mm,上颌有3枚单尖齿,齿式为1.3.1.3/1.1.1.3=28,符合川西缺齿鼩鼱(Chodsigoa hypsibia)的形态特征。通过测定其线粒体细胞色素b基因序列,并结合从Gen Bank下载的缺齿鼩鼱属4个物种的同源区序列,构建系统发生关系,结果显示该个体与川西缺齿鼩鼱聚合并形成单系,同时该个体与Gen Bank中所检索到的川西缺齿鼩鼱遗传距离最为接近。基于以上结果,确定该个体为川西缺齿鼩鼱。这是川西缺齿鼩鼱第一次在安徽省被发现,扩大了该物种在我国的分布范围。
One male shrew specimen was collected from Yaoluoping National Nature Reserve(30°59′04.73″N,116°04′44.36″E,alt.1228 m),Yuexi,Anhui Province,in May 2017.The body is brownish gray,the tail is about 80%of its body length;the skull length is longer than 19 mm with three unicuspid teeth in the upper row tooth,and the dental formula is 1.3.1.3/1.1.1.3=28(Fig.2).These morphological characteristics indicate that it is De Winton′s Shrew(Chodsigoa hypsibia).Based on the 1140 bp mitochondrial cytochrome b gene sequence,combined with the homologous sequences of four Chodsigoa species retrieved from Gen Bank(Table 1),the phylogenetic relationship was reconstructed by Bayesian Infer.In the phylogenetic tree(Fig.1),this individual clustered with C.hypsibia,and they combined into a monophyletic clade together.In addition,it has the closest genetic distance with C.hypsibia than with theother species.Based on the above evidence,we confirmed this individual was C.hypsibia,recorded first time in Anhui Province.This recording expanded the distribution range of this species in China.
出处
《动物学杂志》
CAS
CSCD
北大核心
2018年第1期40-45,共6页
Chinese Journal of Zoology
基金
鹞落坪国家级自然保护区在研究中提供了大力支持
关键词
川西缺齿鼩鼱
新纪录
安徽省
大别山
De Winton's Shrew,Chodsigoa hypsibia
New record
Anhui Province
Dabie Mountains
