Sexual size dimorphism

Patterns and processes

Martin Alejandro Serrano-Meneses, Alex Córdoba-Aguilar, Tamás Székely

Research output: Chapter in Book/Report/Conference proceedingChapter

6 Citations (Scopus)

Abstract

Odonates provide excellent model organisms for testing functional explanations of sexual size dimorphism (SSD) because of their wide variety of habitats, morphology, development, feeding behaviour, and mating strategies. This chapter discusses three major functional hypotheses of SSD and uses data on 133 odonate species to describe their patterns of SSD. It shows that SSD centres around monomorphism in dragonflies, whereas SSD is mostly male-biased in damselflies. Interestingly, phylogenetic comparative analyses suggest that damselflies - but not dragonflies - exhibit allometry consistent with Rensch's rule. Sexual selection acts mainly on males, whereas fecundity selection appears to influence female body size. Further tests, however, are essential, in particular of fecundity selection and the differential niche-utilization.

Original languageEnglish
Title of host publicationDragonflies and Damselflies
Subtitle of host publicationModel Organisms for Ecological and Evolutionary Research
PublisherOxford University Press
ISBN (Print)9780199230693
DOIs
Publication statusPublished - 2008

Fingerprint

dimorphism
Zygoptera
Anisoptera (Odonata)
fecundity
Odonata
allometry
sexual selection
feeding behavior
niches
body size
testing
phylogeny
organisms
habitats

Keywords

  • Allometry
  • Differential niche-utilisation
  • Fecundity selection
  • Rensch's rule
  • Sexual selection
  • Sexual size dimorphism

Cite this

Serrano-Meneses, M. A., Córdoba-Aguilar, A., & Székely, T. (2008). Sexual size dimorphism: Patterns and processes. In Dragonflies and Damselflies: Model Organisms for Ecological and Evolutionary Research Oxford University Press. https://doi.org/10.1093/acprof:oso/9780199230693.003.0018

Sexual size dimorphism : Patterns and processes. / Serrano-Meneses, Martin Alejandro; Córdoba-Aguilar, Alex; Székely, Tamás.

Dragonflies and Damselflies: Model Organisms for Ecological and Evolutionary Research. Oxford University Press, 2008.

Research output: Chapter in Book/Report/Conference proceedingChapter

Serrano-Meneses, MA, Córdoba-Aguilar, A & Székely, T 2008, Sexual size dimorphism: Patterns and processes. in Dragonflies and Damselflies: Model Organisms for Ecological and Evolutionary Research. Oxford University Press. https://doi.org/10.1093/acprof:oso/9780199230693.003.0018
Serrano-Meneses MA, Córdoba-Aguilar A, Székely T. Sexual size dimorphism: Patterns and processes. In Dragonflies and Damselflies: Model Organisms for Ecological and Evolutionary Research. Oxford University Press. 2008 https://doi.org/10.1093/acprof:oso/9780199230693.003.0018
Serrano-Meneses, Martin Alejandro ; Córdoba-Aguilar, Alex ; Székely, Tamás. / Sexual size dimorphism : Patterns and processes. Dragonflies and Damselflies: Model Organisms for Ecological and Evolutionary Research. Oxford University Press, 2008.
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