高度多雌蚁的工蜂繁殖,1904(膜翅目:蚁科)

IF 0.7 4区 农林科学 Q4 ENTOMOLOGY
Rachid Hamidi, J. de Biseau, Y. Quinet
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引用次数: 0

摘要

在大多数蚂蚁物种中,工蚁保留了功能性卵巢,使它们有可能产下可存活的未受精卵,并发育成雄性。然而,当女王在场时,机制(例如:女王和/或工人监管)已经进化为控制工人繁殖。在许多具有高度一夫多妻制的物种中,特别是在流浪物种中,已经进化出了工人的完全不育,可能是为了将他们“困”在他们的“工人表型”中。我们的研究首次表明,在高度多配偶和多配偶的Crematoaster pygmaea蚂蚁中,工作人员保留了在无女王群体中生产生殖卵的全部能力,其中至少有一部分在成年雄性中发育。我们提供的证据表明,工人生产的雄性具有生殖功能。尽管大多数无卵群体产卵,但很少有幼虫发育成蛹和成年雄性。我们得出的结论是,即使在女王不在的情况下,工人们也会严格监管工人生产的后代。pygmaea群体的女王之间可能存在高度的亲缘关系,而后代和工人之间的基因接近性很强,这可能会迫使工人发挥辅助性的非生殖功能,即使他们保持繁殖能力。我们的观察结果表明,皮格马线虫成年雄性和雌性的生产受到与雨季相关的季节因素的控制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Worker Reproduction in the Highly Polygynous Ant Crematogaster pygmaea Forel, 1904 (Hymenoptera: Formicidae)
In most ant species, workers have retained functional ovaries, allowing them to potentially lay viable unfertilized eggs that develop into males. Mechanisms (ex.: queen and/or worker policing) have nevertheless evolved to control worker reproduction when the queen is present. In many species with a high degree of polygyny, especially in tramp species, complete sterility of workers has evolved, presumably to “trap” them within their “worker phenotype”. Our study showed for the first time that in the highly polygynous and polydomous ant Crematogaster pygmaea, workers retained the full capacity to produce reproductive eggs in queenless colonies, with at least some of them developing in adult males. We provide evidence that worker-produced males are reproductively functional. Although most queenless colonies produced eggs, few larvae developed into pupae and adult males. We conclude that workers strongly police the worker-produced offspring, even in the queen's absence. Probable high relatedness between queens of C. pygmaea colonies and strong genetic proximity between brood and workers could force the workers in their helper, non-reproductive function even if they keep the ability to reproduce. Our observations indicate that the production of adult males and gynes in C. pygmaea is controlled by seasonal factors related to the rainy season.
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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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