Kundu Shantanu, Kumar Hirdesh, Tyagi Kaomud, Chandra Kailash, Kumar Vikas
Centre for DNA Taxonomy, Molecular Systematics Division, Zoological Survey of India, Kolkata, India.
Mitochondrial DNA B Resour. 2020 Oct 23;5(3):3618-3623. doi: 10.1080/23802359.2020.1830725.
In the context of Indian zoogeography, the DNA barcode data of short-horned grasshoppers (family Acrididae) are limited in global databases. Hence, the present study was aimed to collect selected Acridid species from the Indian Himalayan regions and generate DNA barcode data to enrich the global database. The estimated K2P genetic distances, Bayesian analysis (BA) topology and multiple species delimitation methods (ABGD, bPTP, and GMYC) clearly discriminate all the studied species. Based on high genetic distance (7.5%), multiple clades, and more than one molecular operational taxonomic unit, the present study elucidates the allopatric speciation and presence of possible cryptic diversity of within India, China, and Russia. The present study suggests the collection of multiple specimens from different geographical locations and the generation of more DNA barcode data would facilitate the actual diversity of this insect group.
在印度动物地理学的背景下，全球数据库中短角蝗虫（蝗科）的DNA条形码数据有限。因此，本研究旨在从印度喜马拉雅地区收集选定的蝗科物种，并生成DNA条形码数据以丰富全球数据库。估计的K2P遗传距离、贝叶斯分析（BA）拓扑结构和多种物种界定方法（ABGD、bPTP和GMYC）清楚地区分了所有研究的物种。基于高遗传距离（7.5%）、多个分支以及不止一个分子操作分类单元，本研究阐明了印度、中国和俄罗斯境内的异域物种形成以及可能存在的隐性多样性。本研究表明，从不同地理位置收集多个标本并生成更多DNA条形码数据将有助于了解该昆虫类群的实际多样性。
