Development of Tetrapod Group Identity, the Smell of Self

  • Luis P. Villarreal

Overall Chapter Objectives

Starting with the teleost fish and tracing a path through amphibians, to reptiles and to placental mammals, the various mechanisms of sexual and social group identity and social bonding will be explored. The capacity of sensory (social) inputs to set group identity, including sexual identity, will provide a central theme for this chapter. As in other topics, the possible role of genetic parasites will continue to be evaluated. We will also consider how species attain individual as well as group identification in conjunction with MHC-based biochemical detection in vertebrates. Fish in particular exist in large shoals and have expanded the use of CNS and olfaction to control group identity. Thus, the basal importance of odor-based systems and their various receptors as used for individual, sexual and group identification will be examined. The issue of olfaction is also of particular relevance to insect social systems, so a short segue into insect-based...


Sexual Identity Group Identity Social Insect Odor Receptor Parasitoid Wasp 
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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.University of CaliforniaIrvineUSA

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