Ecomorphological radiation of Himalayan Northeastern Indian Steninae beetles (Coleoptera, Staphylinidae)
喜马拉雅东北印度 Steninae 甲虫(鞘翅目、葡萄科)的生态形态辐射
基本信息
- 批准号:540798085
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:
- 资助国家:德国
- 起止时间:
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
This project, which lies within the framework of an international German-Indian Collaboration studying the biodiversity of Steninae (Coleoptera, Staphylinidae) across two elevational gradients in Northeast India (Arunachal Pradesh), will investigate aspects of the ecomorphological radiation of this megadiverse clade of rove beetles. Comprising more than 3000 described species, the genus Stenus currently forms the most speciose animal genus on earth. The adults are epigeic, optically oriented predators of springtails and other small arthropods. The most intriguing autapomorphy defining the genus Stenus is a rod-like protrudable elongated labium, with the “paraglossae” at its tip being modified into adhesive pads. This prey-capture apparatus can be protruded towards potential prey in a catapult-like fashion. In the genus Dianous, probably forming a subgenus within Stenus, the labium is not elongated and does not possess a protrudable adhesive prey-capture apparatus. Major objectives to be addressed in this bilateral research project relate to (1) diversity, distributional and niche patterns (habitat, elevation, temperature) along two elevational gradients, (2) morphological and experimental analyses of the function and performance of the mouthparts, the tarsal attachment systems and the potential sensory trade-off between the visual and antennal systems, (3) phylogeny-informed macroevolutionary downstream analyses of relevant morphological, behavioural and ecological traits and their evolutionary radiation and (4) potential assembly rules (e.g. because of environmental filtering or interspecific competition) at the community level. These assembly rules will be determined on the basis of the distribution of ecomorphological traits and the phylogenetic relationships among community members in comparison with random communities based on null models. The project involves a four-month stay in the Indian state of Arunachal Pradesh for the standardized collection of beetles across elevational gradients of two Himalayan foothill mountain ranges and the experimental investigation of both their predatory and tarsal attachment performance in the laboratory at Rajiv Gandhi University. Based on a molecular phylogeny, these data will then be correlated with morphometric measurements to determine the causal relationship between morphology, performance, and ecology. Concatenation of the data matrices of this project with the ecomorphological data generated by the proposer from two distinct mountain regions in Thailand plus that of Central European fauna will allow generalized conclusions to be drawn on the assumption that niche divergence might have been convergently repeated in independently settled (disjunct) zoogeographic regions and resulted in similar ecomorphs and community assemblages. This will support the hypothesis that the evolution of Steninae can be understood from the perspectives of reticulate adaptive and iterative convergent radiation.
这个项目,这是在一个国际德国-印度合作的框架内研究Steninae(鞘翅目,隐翅虫科)在印度东北部(阿鲁纳恰尔邦)的两个海拔梯度的生物多样性,将调查方面的生态形态辐射的这个巨大的多样化分支的树甲虫。包括超过3000个描述的物种,属Stenus目前形成了地球上物种最多的动物属。成虫是以视觉为导向的上位性捕食跳虫和其他小型节肢动物。最有趣的自形性定义属Stenus是一个杆状的可折叠的细长阴唇,其尖端的“paraglossae”被修改为粘性垫。这种捕获猎物的装置可以像猫一样向潜在的猎物伸出。在Dianous属中,可能形成Stenus内的一个亚属,阴唇不细长,不具有可折叠的粘性猎物捕获装置。这一双边研究项目的主要目标涉及(1)多样性、分布和生态位模式(栖息地、海拔、温度)沿着两个海拔梯度,(2)对口器、跗附着系统的功能和性能以及视觉和触角系统之间潜在的感觉权衡进行形态和实验分析,(3)对相关形态、行为和生态特征及其进化辐射的宏观进化下游分析;(4)群落水平上潜在的组装规则(例如由于环境过滤或种间竞争)。这些组装规则将被确定的基础上的生态形态特征的分布和群落成员之间的系统发育关系相比,随机社区的基础上空模型。该项目包括在印度阿鲁纳恰尔邦停留四个月,在两个喜马拉雅山麓山脉的海拔梯度上标准化收集甲虫,并在拉吉夫·甘地大学的实验室中对它们的捕食和跗骨附着性能进行实验调查。基于分子生物学,这些数据将与形态测量相关,以确定形态,性能和生态之间的因果关系。该项目的数据矩阵与提议者从泰国两个不同山区产生的生态形态学数据以及中欧动物群的数据矩阵的连接将允许基于以下假设得出一般化的结论:生态位发散可能在独立定居(分离)的动物地理区域中收敛地重复,并导致类似的生态形态和群落组合。这将支持这一假设,即可以理解的进化Steninae的网状适应和迭代会聚辐射的角度。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr. Oliver Betz其他文献
Professor Dr. Oliver Betz的其他文献
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{{ truncateString('Professor Dr. Oliver Betz', 18)}}的其他基金
Comparative functional head morphology in modern rove beetles (Coleoptera, Staphylinidae)
现代甲虫(鞘翅目、葡萄科)的功能性头部形态比较
- 批准号:
421074752 - 财政年份:2019
- 资助金额:
-- - 项目类别:
Research Grants
Field studies in the southeast Asian tropics of northwestern Thailand on the ecomorphological radiation of the rove beetle subfamily Steninae (Coleoptera Staphylinidae)
泰国西北部东南亚热带地区天牛亚科Steninae(鞘翅目葡萄科)生态形态辐射的实地研究
- 批准号:
252229499 - 财政年份:2013
- 资助金额:
-- - 项目类别:
Research Grants
Vergleichende Funktionsanalyse adhäsiver Lokomotions- und Beutefangstrukturen: Insekten als Ideengeber für die Entwicklung mikrostrukturierter und flüssigkeitsvermittelter bionischer Haftsysteme
粘附运动和猎物捕获结构的比较功能分析:昆虫作为微结构和流体介导的仿生粘附系统开发的思想来源
- 批准号:
149896656 - 财政年份:2010
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-- - 项目类别:
Research Grants
Untersuchungen zur Kopfmorphologie und Funktion der Mundwerkzeuge bei Insekten mittels Synchrotron-Röntgenstrahlung
同步加速器X射线研究昆虫头部形态和口器功能
- 批准号:
5422547 - 财政年份:2004
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Research Grants
Comparative morphological studies on the evolution of the mouthparts of sporophageous staphylioids (Coleoptera)
食孢子葡萄状纲(鞘翅目)口器进化的比较形态学研究
- 批准号:
5161146 - 财政年份:1999
- 资助金额:
-- - 项目类别:
Research Fellowships
High speed film analyses of rapid prey-capture mechanisms in rove beetles (Coleoptera, Staphylinidae)
对罗夫甲虫(鞘翅目、葡萄球菌科)快速捕获猎物机制的高速胶片分析
- 批准号:
5180466 - 财政年份:1999
- 资助金额:
-- - 项目类别:
Research Grants
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