分子系谱,历史生物地理,和类别的伪蝶 (Lepidoptera: Hesperiidae) 的分类
Yongxiang Hou1, Chenglong Cao2, Hideyuki Chiba3
1Department of Entomology, College of Plant Protection, South China Agricultural University, Guangzhou, Guangdong, China.
Molecular phylogenetics and evolution
|June 23, 2023
概括
这项研究阐明了蝶属Pseudocoladenia的进化历史和分类学,确定了12种和3个亚种. 它揭示了它们的起源在喜马拉雅 - 亨杜安山区和印度支那,随后在亚洲各地分散.
科学领域:
- 昆虫学 昆虫学是一门学科.
- 进化生物学 进化生物学
- 生物地理学 生物地理学 生物地理学
- 纳税学是一种分类学.
背景情况:
- 蝶属Pseudocoladenia居住在喜马拉雅山脉,中国西南部和桑达兰等生物多样性热点地区.
- 之前的研究缺乏遗传学和生物地理学分析,导致一些物种/亚种的分类学地位未得到解决.
研究的目的:
- 确定蝶属Pseudocoladenia的系统关系和生物地理历史.
- 通过分子和形态学数据澄清其物种和亚种的分类学地位.
主要方法:
- 用69个代表所有已知的种类的标本中的6个基因进行了家族遗传学重建.
- 应用两种物种划界方法:贝叶斯鱼类树过程和贝叶斯系遗传学和植物地理学.
- 为分类学评估整合形态证据.
主要成果:
- 在Pseudocoladenia中确定了12个物种和3个亚种,分为三个物种群:P. fatih,P. dea和P. dan.
- 承认五种类型为独立物种 (P. sadakoe,P. celebica,P. fulvescens,P. eacus,P. fabia) 并将两种类型重新归类为P. eacus.
- 发现并描述了一种新物种,Pseudocoladenia yunnana,来自北云南.
- 差异时间估计表明,最近的共同祖先起源于喜马拉雅 - 亨杜安山区和印度支那大约1400万年前.
- 对散布,代理和灭绝模式的分析解释了当前的地理分布.
结论:
- 这项研究为Pseudocoladenia提供了一个强大的分类学框架,解决了以前的争议.
- 进化历史揭示出起源于喜马拉雅 - 亨杜安山区和印度支那,不同物种群的分布模式不同.
- 这些发现为亚洲跨洋物种的进化路线以及生物多样性的驱动因素提供了洞察力.
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