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Introduction Much of our understanding of mating system evolution, and
 

Summary: Introduction
Much of our understanding of mating system evolution, and
ultimately of sexual selection, comes from studying the natural
history of mating systems that are extreme or unusual, in the
sense that they represent outliers along some behavioural or
morphological axis. Examples of such mating systems are
bowerbirds (Frith and Frith 2004), taxa that undergo sex change
(Munday et al. 2006), cooperatively breeding birds (Koenig
and Dickinson 2004), lekking species (Höglund and Alatalo
1995), sex-role-reversed vertebrates (Andersson 2005), mole
rats (Bennett and Faulkes 2000), guppies (Houde 1997) and
sexually cannibalistic spiders (Elgar and Schneider 2004). The
study of such mating systems is justified because they are
likely to represent unusually clear manifestations of general
evolutionary principles.
A newly discovered genus, Phoreticovelia (Infraorder:
Gerromorpha; family: Veliidae; subfamily Microveliinae)
(Polhemus and Polhemus 2000; Andersen and Weir 2001) has a
remarkable, indeed probably unique, mating system (Arnqvist
et al. 2003). Four species of Zeus bugs have been formally

  

Source: Arnqvist, Göran - Department of Animal Ecology, Uppsala Universitet

 

Collections: Environmental Sciences and Ecology