亚洲织蚁的种姓特异性表型可塑性:应用几何形态计量学揭示小蚁蛛(膜翅目:蚁科)雌性种姓系统的异速和非异速成分

IF 0.7 4区 农林科学 Q4 ENTOMOLOGY
K. Mahima, P. P. Anand, S. Seena, K. Shameema, E. M. Manogem, Y. Vardhanan
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引用次数: 4

摘要

在真社会昆虫中,特别是在蚂蚁中,当我们依赖传统分类学时,种姓分化是极其复杂的。在大多数物种中,工人种姓没有表现出任何明显的形态特征,也没有根据其形态大小的变化进行种姓的中心划分。我们使用了一种基于里程碑的几何形态计量方法来量化小尾尾尾蠊雌性种姓系统(女王、主要和次要工蚁)的形态特征。我们的研究结果表明,每个种姓都有其独特的形状和大小。特别是在工人种姓中,除了尺寸的变化之外,我们可以将形状作为区分它们的突出工具。斯玛拉格迪纳O.smaragdina表现出三相异速模式。研究每个种姓制度的异速和非异速成分,揭示了女性种姓制度中高度复杂的大小和形状关系。通过异速和非异速分析,我们得出结论,主要工蚁与蚁后的关系比次要工蚁更密切。这一结果表明,亚洲织蚁表现出与大小相关的复杂形状变化,并与它们的功能模块特征相关。这项研究为真社会性膜翅目昆虫群体,尤其是蚂蚁,提供了种姓制度分类不确定性的新线索。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Caste-specific phenotypic plasticity of Asian weaver ants: Revealing the allometric and non-allometric component of female caste system of Oecophylla smaragdina (Hymenoptera: Formicidae) by using geometric morphometrics
In eusocial insects, particularly in ants, caste differentiation is extremely complicated when we rely on traditional taxonomy. In most species, the worker caste does not display any distinct morphological characters neither the caste’s central division according to their morphological size variations. We used a landmark-based geometric morphometric approach to quantify the morphological characteristics of female caste systems (queen, major and minor worker ant) of Oecophylla smaragdina. Our findings suggested that each caste has its unique shape and size. Especially in the worker caste, apart from the size variations, we can use the shape as a prominent tool for distinguishing between them. The O. smaragdina exhibits a triphasic allometry pattern. Studying the allometry and non-allometry components of each caste system revealed a highly complex size and shape relationship in the female caste systems. From the allometric and non-allometric analysis, we concluded that the major worker ants showed a closer relationship with the queen than the minor worker ant. This outcome demonstrated that Asian weaver ant exhibits complex shape variations related to size and is correlated to their functional modular characters. This research sheds new light on caste systems’ taxonomic uncertainties for eusocial hymenopteran groups, especially ants.
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来源期刊
Sociobiology
Sociobiology 生物-昆虫学
CiteScore
1.60
自引率
11.10%
发文量
28
审稿时长
3 months
期刊介绍: SOCIOBIOLOGY publishes high quality articles that significantly contribute to the knowledge of Entomology, with emphasis on social insects. Articles previously submitted to other journals are not accepted. SOCIOBIOLOGY publishes original research papers and invited review articles on all aspects related to the biology, evolution and systematics of social and pre-social insects (Ants, Termites, Bees and Wasps). The journal is currently expanding its scope to incorporate the publication of articles dealing with other arthropods that exhibit sociality. Articles may cover a range of subjects such as ecology, ethology, morphology, population genetics, physiology, toxicology, reproduction, sociobiology, caste differentiation as well as economic impact and pest management.
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