First record of Disk-footed bat Eudiscopus denticulus (Osgood, 1932) (Chiroptera: Vespertilionidae) from India with notes on its ecology and genetics

IF 0.5 4区生物学 Q4 ZOOLOGY

Revue Suisse de Zoologie Pub Date : 2021-04-23 DOI:10.35929/RSZ.0044

Uttam Saikia, Rohit Chakravarty, V. D. Hegde, A. B. Meetei, S. Kruskop, G. Csorba, M. Ruedi

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引用次数: 1

Abstract

Abstract: On the basis of two recently collected specimens from Meghalaya state in north-eastern India, we report the occurrence of the monotypic vespertilionid genus Eudiscopus in the Indian Subcontinent. This taxon has so far been known only from a few localities in Southeast Asia. Our records also constitute a westward range extension of E. denticulus by about 1000 km into eastern South Asia. We provide comparative mensural data of several museum specimens of E. denticulus from Southeast Asia. Additionally, the echolocation call and wing characteristics of this species from Meghalaya are also described. The higher call frequency and lower wing loading and aspect ratio of the Indian E. denticulus indicate adaptation to cluttered environment, corroborating its guild assignment as edge space aerial forager. Molecular comparisons of the mitochondrial cytochrome b gene sequence with samples from Vietnam revealed no genetic variation, despite large geographic distances separating the samples. Phylogenetic reconstructions confirm that Eudiscopus is a basal Myotinae, but its position relative to Submyotodon and Myotis is still uncertain.

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印度盘足蝙蝠Eudiscopus denticulus (Osgood, 1932)(翼翅目:盘足蝙蝠科)首次记录及其生态学和遗传学注释

摘要/ Abstract摘要:基于最近在印度东北部梅加拉亚邦采集的2个标本，我们报道了在印度次大陆出现的单型狐尾草属Eudiscopus。这个分类群到目前为止只在东南亚的几个地方发现。我们的记录也构成了向西延伸约1000公里进入南亚东部的denticulus的范围。我们提供了来自东南亚的几个博物馆标本的比较测量数据。此外，还描述了梅加拉亚邦这一物种的回声定位呼叫和翅膀特征。鸣叫频率较高，翅翼载荷和翅长比较低，表明其对杂乱环境的适应，证实了其作为边缘空间空中觅食者的定位。线粒体细胞色素b基因序列与越南样品的分子比较显示，尽管样品相距遥远，但没有遗传变异。系统发育重建证实了Eudiscopus是一个基底肌科，但其相对于亚肌齿科和肌科的位置仍不确定。

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来源期刊

Revue Suisse de Zoologie 生物-动物学

CiteScore

1.30

自引率

12.50%

发文量

审稿时长

>12 weeks

期刊介绍： The Revue suisse de Zoologie is a biannual journal published by the Geneva Museum and the Swiss Zoological Society. The Swiss Academy of Sciences and the City of Geneva provide financial support to the journal. The Revue suisse de Zoologie publishes original results of zoological research, particularly in systematics and related fields.