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Evidence of Monandry in a Mosquito (Sabethes cyaneus) with Elaborate Ornaments in Both Sexes
 

Summary: Evidence of Monandry in a Mosquito (Sabethes
cyaneus) with Elaborate Ornaments in Both Sexes
Sandra H. South & Göran Arnqvist
Revised: 22 April 2008 /Accepted: 25 June 2008 /
Published online: 30 July 2008
# Springer Science + Business Media, LLC 2008
Abstract Despite the benefits of multiple mating to females many mosquitoes appear to
be monandrous. Members of the mosquito tribe Sabethini are unique among the
mosquitoes for they possess iridescent scales and elaborate ornaments in both sexes.
Additionally, this tribe boasts the only reported cases of courtship display within the
mosquitoes. Due to these singular traits and behaviors, we predicted that members of this
tribe have a different mating system with relatively high female mating rate. We tested this
prediction in the ornamented mosquito Sabethes cyaneus. Contrary to our prediction,
however, females were monandrous throughout their lifetime and multiple gonotrophic
cycles. We discuss the possible implications of monandry on the evolution of sexually
homologous ornaments, with particular consideration of mutual mate choice.
Keywords Mating rate . mating system . polyandry. signal . sexual selection . Diptera
Introduction
Mosquitoes in the tribe Sabethini (Diptera: Culicidae) possess a suit of characteristics
that make them unique among the mosquitoes: diurnal activity, a greater reliance on

  

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

 

Collections: Environmental Sciences and Ecology