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Insights into the evolution biogeography and natural history of the acorn ants genus Temnothorax Mayr (hymenoptera: Formicidae)

机译:深入了解橡实蚁Temnothorax Mayr属的进化生物地理和自然历史(膜翅目:For科)

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摘要

Background Temnothorax (Formicidae: Myrmicinae) is a diverse genus of ants found in a broad spectrum of ecosystems across the northern hemisphere. These diminutive ants have long served as models for social insect behavior, leading to discoveries about social learning and inspiring hypotheses about the process of speciation and the evolution of social parasitism. This genus is highly morphologically and behaviorally diverse, and this has caused a great deal of taxonomic confusion in recent years. Past efforts to estimate the phylogeny of this genus have been limited in taxonomic scope, leaving the broader evolutionary patterns in Temnothorax unclear. To establish the monophyly of Temnothorax, resolve the evolutionary relationships, reconstruct the historical biogeography and investigate trends in the evolution of key traits, I generated, assembled, and analyzed two molecular datasets: a traditional multi-locus Sanger sequencing dataset, and an ultra-conserved element (UCE) dataset. Using maximum likelihood, Bayesian, and summary-coalescent based approaches, I analyzed 22 data subsets consisting of 103 ingroup taxa and a maximum of 1.8 million base pairs in 2485 loci.
机译:背景Temnothorax(蚁科:Myrmicinae)是在北半球广泛的生态系统中发现的多种蚂蚁属。这些小巧的蚂蚁长期以来一直是社会昆虫行为的模型,导致有关社会学习的发现以及关于物种形成过程和社会寄生虫进化的启发性假设。该属在形态和行为上高度多样,近年来引起了很多分类学上的混乱。过去估计该属的系统发育的努力在分类学范围上受到限制,使得坦莫霍克斯的更广泛的进化模式尚不清楚。为了建立霸王龙的单亲生物,解析进化关系,重建历史生物地理学并研究关键性状的进化趋势,我生成,组装并分析了两个分子数据集:传统的多位点桑格测序数据集和超分子位点保守元素(UCE)数据集。使用基于最大似然,贝叶斯和汇总合并的方法,我分析了22个数据子集,其中包括103个组内分类单元和2485个基因座中最多180万个碱基对。

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