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.
出处
《动物学杂志》
CAS
CSCD
北大核心
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
关键词
大山蝠
翼手目
新纪录
贵州省
Nyctalus aviator
Chiropter
New record
Guizhou Province
