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Abstract

Author(s)
Raghavendra Gadagkar
Publisher
Scientific Publishers, Jodphur, India
Citation
Perspectives in entomological research., 1994, pp 263-275
Abstract

Queens of the primitively eusocial wasp Ropalidia marginata appear to maintain reproductive monopoly through pheromone rather than through physical aggression. Upon queen removal, one of the workers (potential queen, PQ) becomes extremely aggressive but drops her aggression immediately upon...

Author(s)
Aniruddha Mitra; Paromita Saha; Chaoulideer, M. E.; Anindita Bhadra; Raghavendra Gadagkar
Publisher
Elsevier Ltd, Oxford, UK
Citation
Journal of Insect Physiology, 2011, 57, 2, pp 280-284
Abstract

Author(s)
Gadagkar, R.; Chandrashekara, K.; Chandran, S.; Bhagavan, S.
Publisher
Oxford University Press, Oxford, UK
Citation
Queen number and sociality in insects., 1993, pp 188-214
Abstract

Author(s)
Gadagkar, R.
Publisher
Comstock Publishing Associates, Ithaca, New York, USA
Citation
Social biology of wasps., 1991, pp 149-190
Abstract

Ropalidia marginata shows low levels of intra-colony genetic relatedness, lack of intra-colony kin discrimination and acceptance of young wasps into alien colonies. An investigation was carried out to determine whether or not there existed a cost of such high genetic variability. Freshly eclosed...

Author(s)
Arathi, H. S.; Raghavendra Gadagkar
Citation
Oecologia, 1998, 117, 1-2, pp 295-299
Abstract

The evolution of eusociality and reversal of social evolution is discussed. The use of Hamilton's inclusive fitness theory is described in its determination of evolutionary forces promoting eusociality in the paper wasp (Ropalidia marginata) which is distributed throughout peninsular India....

Author(s)
Raghavendra Gadagkar
Citation
Current Science, 1997, 72, 12, pp 950-956
Abstract

This review, with 63 references, discusses 6 hypotheses concerning the evolution of chemical communication between the Apis mellifera queen and her workers; their implications for the evolution of sociality are considered.

Author(s)
Gadagkar, R.
Publisher
Birkhäuser Verlag AG, Basel, Switzerland
Citation
Orientation and communication in arthropods., 1997, pp 375-395
Abstract

In R. marginata, individual females are known to drift from one newly founded nest to another. In the laboratory, young (<6- to 8-day-old) alien wasps were accepted onto unrelated colonies, while older (>6- to 8-day-old) wasps were not. The factors that could influence the acceptance of...

Author(s)
Arathi, H. S.; Mallikarjun Shakarad; Raghavendra Gadagkar
Citation
Journal of Insect Behavior, 1997, 10, 3, pp 343-353
Abstract

The evolution of social groupings in insects, especially wasps, is compared to that of social amoebae (cellular slime moulds). They both show a gamut of colony sizes, from solitary forms to complex colonies with a division of labour. The various ideas as to how there might have been an evolution of ...

Author(s)
Raghavendra Gadagkar; Bonner, J. T.
Citation
Journal of Biosciences, 1994, 19, 2, pp 219-245
Abstract

In the primitively eusocial wasp, R. marginata, worker behaviour cannot be explained satisfactorily by the haplodiploidy hypothesis due to the existence of polyandry, serial polygyny and movement of wasps between nests, which reduce intra-colony genetic relatedness to levels lower than the value...

Author(s)
Arathi, H. S.; Shakarad, M.; Gadagkar, R.
Citation
Insectes Sociaux, 1997, 44, 2, pp 139-146

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