贵州省翼手目一新纪录——大山蝠  

A New Record of Nyctalus aviator in Guizhou Province

作　　者：周江[1] 杨天友[1] 

机构地区：[1]贵州师范大学生命科学学院,贵阳550001

出　　处：《动物学杂志》2012年第1期119-123,共5页Chinese Journal of Zoology

基　　金：贵州师范大学博士科研启动项目

摘　　要：2010年8月在贵州省从江县进行翼手目动物物种多样性调查中,于从江县加鸠乡采集到2只雌性山蝠,体型较大,前臂长60.22 mm,59.72 mm;耳屏明显,短而厚,呈肾型;第5指最短,第3指最长;体被黄棕色;有距缘膜;头骨宽而粗壮,人字脊显著;上齿列长9.12 mm,9.28 mm。外门齿大于内门齿;第一上前臼齿(P2)弱小,被挤入齿列内侧;第二上前臼齿(P4)发达,犬齿与P4紧密接触。下齿列长7.70mm,8.14 mm。经鉴定,该蝙蝠为大山蝠(Nyctalus aviator),属贵州省新纪录。该种的分布由中国的东北部向西南延伸。标本现保存在贵州师范大学生命科学学院。Two specimen of Vespertilionidae were collected from Jiajiu Township in Congjiang County,Guizhou Province,during a survey of bat species diversity in August,2010,which is identified as Nyctalus aviator and new record to Guizhou.Description as follows： Size large,thumb short with strong claw;calcar keeled;fur dense and velvety;color deep yellowish brown;upper inner incisor longer than outer incisor;the forearm length is 59.72-60.22 mm;tragus short and stubby;antitragus long and low;fifth finger shortest,third longest;wing membrane attached to ankle;tip of tail barely extends past uropatagium;skull broad and robust;lambdoidal crest conspicuous;postorbital process weak;teeth large,with low cusps,the upper toothrow length is 9.12-9.28 mm;first upper premolar was small and pushed to inner side of toothrow;second upper premolar developed;The lower toothrow length is 7.70-8.14 mm.The distribution range of this species extended to southwestern China,which differs from the record before.The specimens were preserved in the School of Life Sciences,Guizhou Normal University,Guiyang,China.

关 键 词：大山蝠 翼手目 新纪录 贵州省 

分 类 号：Q959[生物学—动物学]