Endocrine Influences on Insect Societies

A. R. Hamilton, H. Shpigler, G. Bloch, Diana E Wheeler, G. E. Robinson

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Citations (Scopus)

Abstract

Insect societies are defined by an intricate division of labor among individuals. There is a reproductive division of labor between queens and workers, and a division of labor among workers for all activities related to colony growth and development. The different castes in an insect society and the diverse roles they play are extreme manifestations of phenotypic plasticity. This chapter reviews the roles that various hormones play in governing different forms of division of labor in the insect societies, including juvenile hormone (JH), the ecdysteroids, insulin, biogenic amines, and neuropeptides. We discuss how these endocrine systems regulate diverse physiological and molecular processes during development and adulthood by serving as key signal transducers to combine information about internal and external state. We also draw on the results of a burgeoning literature on transcriptomic studies to propose a theoretical framework for how hormones modulate brain transcriptomic architecture underlying social behavior to generate phenotypic plasticity. A key feature of this framework is the notion that there has been neofunctionalization of certain endocrine systems via the rewiring of ancestral transcriptional regulatory networks. We end this chapter by presenting a mechanistic model for the evolution of insect sociality based on the co-option of endocrine pathways to respond to and regulate social behavior, using JH as a model system. In particular, we explore the relationship between the degree of neofunctionalization in JH-related pathways, the life stage at which JH modulates social stimuli, and the degree of phenotypic plasticity exhibited by various species.

Original languageEnglish (US)
Title of host publicationNon-Mammalian Hormone-Behavior Systems
PublisherElsevier
Pages421-451
Number of pages31
Volume2
ISBN (Print)9780128036082
DOIs
StatePublished - Nov 9 2016

Fingerprint

Juvenile Hormones
Insects
Endocrine System
Social Behavior
Hormones
Physiological Phenomena
Ecdysteroids
Biogenic Amines
Gene Regulatory Networks
Neuropeptides
Transducers
Growth and Development
Social Class
Insulin
Brain

Keywords

  • Behavioral maturation
  • Biogenic amines
  • Caste determination
  • Division of labor
  • Ecdysone
  • Evolution of eusociality
  • Insulin
  • Juvenile hormone
  • Neuroendocrine
  • Phenotypic plasticity
  • Social behavior
  • Social insects
  • Sociogenomics
  • Transcriptomics
  • Vitellogenin

ASJC Scopus subject areas

  • Medicine(all)
  • Neuroscience(all)

Cite this

Hamilton, A. R., Shpigler, H., Bloch, G., Wheeler, D. E., & Robinson, G. E. (2016). Endocrine Influences on Insect Societies. In Non-Mammalian Hormone-Behavior Systems (Vol. 2, pp. 421-451). Elsevier. https://doi.org/10.1016/B978-0-12-803592-4.00037-7

Endocrine Influences on Insect Societies. / Hamilton, A. R.; Shpigler, H.; Bloch, G.; Wheeler, Diana E; Robinson, G. E.

Non-Mammalian Hormone-Behavior Systems. Vol. 2 Elsevier, 2016. p. 421-451.

Research output: Chapter in Book/Report/Conference proceedingChapter

Hamilton, AR, Shpigler, H, Bloch, G, Wheeler, DE & Robinson, GE 2016, Endocrine Influences on Insect Societies. in Non-Mammalian Hormone-Behavior Systems. vol. 2, Elsevier, pp. 421-451. https://doi.org/10.1016/B978-0-12-803592-4.00037-7
Hamilton AR, Shpigler H, Bloch G, Wheeler DE, Robinson GE. Endocrine Influences on Insect Societies. In Non-Mammalian Hormone-Behavior Systems. Vol. 2. Elsevier. 2016. p. 421-451 https://doi.org/10.1016/B978-0-12-803592-4.00037-7
Hamilton, A. R. ; Shpigler, H. ; Bloch, G. ; Wheeler, Diana E ; Robinson, G. E. / Endocrine Influences on Insect Societies. Non-Mammalian Hormone-Behavior Systems. Vol. 2 Elsevier, 2016. pp. 421-451
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