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    Browsing by Advisor "Gadagkar, Raghavendra"

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      • Attributes Of Royalty In The Primitively Eusocial Wasp Ropalidia marginata : Pheromone, Ovaries And Behavior 

        Mitra, Aniruddha (2012-12-07)
        This thesis has looked at the proximate mechanisms by which eusociality is maintained in colonies of the primitively eusocial wasp Ropalidia marginata. Unlike other typical primitively eusocial species, the R, marginata ...
      • The Biology Of Two Sexes : A Study Of The Primitively Eusocial Wasp Ropalidia Marginata 

        Sen, Ruchira (2009-05-21)
        A striking feature of hymenopterans societies is the absence of male workers. Foraging, nest building, brood care and all other activities required for the functioning of the colony are carried out by the females. These ...
      • Colony Founding And The Evolution Of Eusociality In Primitively Eusocial Wasp, Ropalidia Marginata 

        Shakarad, Mallikarjaun (Indian Institute of Science, 2005-08-08)
        Many animals live in societies of varying degrees of organization. Some individuals in these societies seem to sacrifice their own fitness to increase the fitness of some others. Understanding the forces that mould the ...
      • Determinants Of Behavioural And Reproductive Dominance In The Primitively Eusocial Wasp Ropalidia Marginata 

        Bang, Alok (2016-09-15)
        In societies where all individuals are reproductively totipotent and yet, at a given time only one of them reproduces, it is interesting to examine the factor(s) that may influence and predict who will be the reproductive. ...
      • Finding the Way Back Home : A study of Spatial Orientation, Navigation and Homing Behaviour in the Social Wasp Ropalidia marginata 

        Mandal, Souvik (2018-05-23)
        For most of the animals, if not all, finding their way to a particular place is crucial for survival. To address this challenge of way-finding, different animals have evolved with different homing strategies. Social ...
      • For Queen and Country : Reproductive and Non-Reproductive Division of Labour in the Primitively Eusocial Wasp Ropalidia Cyathiformis 

        Unnikrishnan, Sruthi (2018-07-05)
        Division of labour is a hallmark of eusocial insects and is believed to be a major factor in their evolutionary success and ecological dominance. Division of labour can be of two kinds – reproductive division of labour ...
      • Game of Thrones : Direct Fitness through Nest Foundation in the Primitively Eusocial Wasp Ropalidia Marginata 

        Brahma, Anindita (2018-07-09)
        Reproduction is the avenue for gaining direct fitness. But in certain species some individuals do not reproduce, instead gain indirect fitness by helping relatives to reproduce; the prime examples for this come from the ...
      • Molecular Ecology of the Primitively Eusocial Wasp Ropalidia Marginata : Relatedness, Queen Succession and Population Genetics 

        Chakraborty, Saikat (2018-06-08)
        Altruism is defined as a trait in an individual that increases some other individual’s fitness at the expense of her own. Therefore, existence of such traits in a population is an evolutionary paradox, as natural selection ...
      • A place for everything and everything in its place: Spatial organization of wasps on the nests of the primitively eusocial paper wasp Ropalidia marginata 

        Sharma, Nitika
        In my thesis, I found that queens and workers in the primitively eusocial paper wasp Ropalidia marginata use space on their nests non-randomly with a majority of individuals showing spatial fidelity to small core areas, ...
      • Queen Succession in the Primitively Eusocial Wasp Ropalidia Marginata 

        Saha, Paromita (2018-01-04)
        Social insects are the most dominant terrestrial fauna for the last 50 million years. This tremendous ecological success is accompanied by the fact that sociality has evolved multiple times independently and achieved highest ...
      • Queens And Their Succerssors : The Story Of Power In The Primitively Eusocial Wasp Ropalidia Marginata 

        Bhadra, Anindita (2009-04-30)
        Ropalidia marginata is characterized as a primitively eusocial wasp due to the absence of morphological differentiation between the queen and worker castes. Unlike other primitively eusocial wasps, however, the queen in ...
      • Social Organisation And Cooperation In Genetically Mixed Colonies Of The Primitively Eusocial Wasp, Ropalidia Marginata 

        Arathi, H S (Indian Institute of Science, 2005-08-05)
        Altruism in its extreme form is seen in social insects where most individuals give up their own reproduction and work to rear the offspring of their queen. The origin and evolution of such sterile worker castes remains a ...

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