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Phenotypic and genetic variation in emergence and development time of a trimorphic damselfly
 

Summary: Phenotypic and genetic variation in emergence and development
time of a trimorphic damselfly
J. ABBOTT & E. I. SVENSSON
Department of Animal Ecology, Ecology Building, Lund University, Lund, Sweden
Introduction
Colour polymorphisms are found in many different taxa,
such as birds (Galeotti et al., 2003; Roulin et al., 2003),
amphibians (Hoffman & Blouin, 2000), fish (Munday
et al., 2003), reptiles (Sinervo et al., 2000), plants
(Schemske & Bierzychudek, 2001; Turelli et al., 2001)
and insects (Forsman & Appelqvist, 1999; Mallet & Joron,
1999), and have become classical study systems among
evolutionary biologists and ecologists. Models for the
maintenance of multiple morphs typically focus on
negative frequency-dependent selection resulting from
intra- or interspecific biotic processes such as predation
(Cain & Sheppard, 1954; Cook, 1998; Davison, 2002) or
sexual selection (Nielsen & Watt, 2000). Rare morphs
have an advantage in systems where predators form
a search image and prey more heavily on the most

  

Source: Agrell, Jep - Department of Ecology, Lunds Universitet

 

Collections: Environmental Sciences and Ecology