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Dissertation Research: A Case Study of the Relationship Between Ontogeny and Phylogeny: The Phylogenetic Relationships of Sepsidae (Diptera)

Dissertation Research: A Case Study of the Relationship Between Ontogeny and Phylogeny: The Phylogenetic Relationships of Sepsidae (Diptera)
论文研究:个体发育与系统发育关系的个案研究:Sepsidae(双翅目)的系统发育关系
批准号:
9310600
负责人:
Quentin Wheeler
金额:
$0.0万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1993
资助国家:
美国
项目状态:
已结题
起止时间:
1993-08-01 至 1995-07-31

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中文摘要
翻译
9310600惠勒对菊科昆虫进行了系统发育分析(昆虫纲:双翅目)。分析将包括三个基本上独立的数据集,包括卵、幼虫和成虫的形态特征。幼虫性状将被用来检验“个体发育标准”,以确定性状转化序列的极性。Hennig(1966)基于字符优先的传统版本将与Nelson(1978)基于一般性的规则进行比较。由卵子和成体字符组成的独立数据集将被用来判断个体发生标准和外群比较对字符极性的预测更准确。物种个体发育将被映射到由卵和成体特征派生的分支图上,从而允许直接研究个体发育随系统发育时间的变化,以及广泛讨论的现象的流行,如插入、替换和状态缺失。亚利桑那大学正在进行一项关于乌贼科交配行为和精子竞争的研究;结果将被绘制到分支图上,以了解为什么交配前守卫显然在乌贼科内独立进化了几次。金龟科是苍蝇的一个科,其许多成员在牛粪和其他腐烂的物质中产卵和发育。该项目将利用卵、幼虫和成虫特征的独立数据集来分析该科所有属和约一半物种之间的关系。由此产生的框架将被用来解决有趣行为的起源,例如雄性在产卵地点守护雌性。***
英文摘要
9310600 Wheeler A phylogenetic analysis of the family Sepsidae (Insecta: Diptera) is proposed. The analysis will comprise three largely independent data sets consisting of egg, larval and adult morphological characters. The larval characters will be used to test the "ontogenetic criterion" for determining the polarity of character transformation series. Hennig's (1966) traditional version based on character precedence will be compared with Nelson's (1978) rule based on generality. The independent data set composed of egg and adult characters will be used to judge whether the ontogenetic criterion or outgroup comparison makes more accurate predictions about character polarity. Species ontogenies will be mapped onto the cladogram derived from egg and adult characters, allowing the direct study of changes in ontogeny over phylogenetic time, and the prevalence of widely discussed phenomena like insertions, substitutions, and deletions of states. A study of mating behavior and sperm competition in Sepsidae is under way at the University of Arizona; resulting characters will be mapped onto the cladogram in order to gain an understanding of why precopulatory guarding apparently evolved several times independently within the Sepsidae. %%% The Sepsidae are a family of flies with many of its members ovipositing and developing in cow dung as well as other decaying materials. This project will utilize independent data sets of egg, larval and adult characters to analyze relationships among all of the genera and about half of the species in the family. The resulting framework will be used to address the origins of interesting behaviors such a male guarding of females at the oviposition sites. ***
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会议论文
Sustain what? Mission to explore earth's species and conserve biodiversity
  • 批准号:
    1102500
  • 项目类别:
    Standard Grant
  • 资助金额:
    $3.0万
  • 财政年份:
    2010
  • 负责人:
    Quentin Wheeler
  • 依托单位:
Taxonomic and Cladistic Studies of Agathidium Beetles
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  • 批准号:
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  • 项目类别:
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  • 资助金额:
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  • 批准年份:
    2024
  • 负责人:
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  • 依托单位:
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