International Union for the Study of Social Insects (IUSSI2018), August 5-10, 2018 in Guarujá, Brazil.

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Drawing the line: the problems of termites and superorganismality

Author(s):
Paul John Eggleton, Paul Eggleton , Thomas Peter V Hartman
Institution(s):
Department of Life Sciences, the Natural History Museum, London; Department of Life Sciences, the Natural History Museum, London, UK ; School of Life Science, University of Nottingham, UK
Termites have always held an uncertain position among social insects: not Hymenoptera and not haplo-diploid. Many of the classical explanations for the evolution of sociality in Hymenoptera are hard to apply to termites as social cockroaches.  Here, I discuss the evolution of eusociality and superorganismality in the group, and highlight the problem of soldier, worker and pseudergate (“false worker”) evolution.  As all termites have either a true worker or a true soldier caste, is every termite colony a superorganism? More generally, are we losing a broader perspective by concentrating so much on the worker caste? In order to explore this I discuss the wider biotic occurrence of superorganism-like organisms and the processes that may have given rise to them.
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