Ling Feng, Daniela M. Takiya, Sindhu M. Krishnankutty, Christopher H. Dietrich, Yalin Zhang
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引用次数: 0
Abstract
Sharpshooters (Cicadellinae), a large subfamily of the Cicadellidae, exhibit a global distribution and a broad array of ecological preferences. To explore the phylogenetic relationships and roles of global historical, biotic and biogeographic processes in the diversification of sharpshooters, we analysed DNA sequence data from three mitochondrial and two nuclear genes for 243 taxa representing all Cicadellinae tribes, generic groups, regional faunas and data of geographic distributions of sharpshooter species compiled from online databases and available literature. The maximum likelihood (ML) and Bayesian inference (BI) analyses strongly support the monophyletic clade including Cicadellinae and Phereurininae. Divergence time estimates and biogeographic analyses suggest that sharpshooters originated in the Neotropical region or were more widespread in Gondwana during the Early Cretaceous and diversified through a combination of ancient vicariance and dispersal following the evolution of angiosperm-dominated habitats. The earliest divergence during the Cretaceous gave rise to Oriental and New World lineages, the latter of which subsequently dispersed into the Old World and gave rise to the diverse endemic fauna of Madagascar. The Oriental lineage shows high diversity and endemism in tropical Asia and the Pacific, with striking distributional discontinuities in Wallacea. These results suggest that a combination of environmental and evolutionary factors including continental-scale vicariance, long-distance dispersal and diversification of terrestrial microhabitats and host plants may explain the diversity of the modern sharpshooter fauna.
箭毒科(Cicadellinae)是蝉科的一个大亚科,分布于全球各地,具有广泛的生态偏好。为了探索系统发育关系以及全球历史、生物和生物地理过程在箭咀鸟多样化过程中的作用,我们分析了代表所有蝉亚科部落、属群、区域动物群的 243 个类群的三个线粒体基因和两个核基因的 DNA 序列数据,以及从在线数据库和现有文献中收集的箭咀鸟物种地理分布数据。最大似然法(ML)和贝叶斯推断法(BI)分析有力地支持了包括蝉形目(Cicadellinae)和箭形目(Phereurinae)在内的单系支系。分化时间估计和生物地理学分析表明,在早白垩世期间,利爪蜥起源于新热带地区或在冈瓦纳更为广泛,在被子植物为主的生境演化过程中,利爪蜥通过古老的沧海桑田和散布相结合的方式实现了多样化。白垩纪的最早分化产生了东方和新世界两个品系,后者随后扩散到旧大陆,并形成了马达加斯加的多种特有动物群。东方种系在热带亚洲和太平洋地区表现出高度的多样性和特有性,而在瓦拉塞斯地区则表现出明显的分布不连续性。这些结果表明,环境和进化因素的综合作用,包括大陆范围的沧海桑田、远距离传播以及陆地微生境和寄主植物的多样化,可以解释现代利爪鱼动物群的多样性。
期刊介绍:
Systematic Entomology publishes original papers on insect systematics, phylogenetics and integrative taxonomy, with a preference for general interest papers of broad biological, evolutionary or zoogeographical relevance.