Mating asymmetry and the direction of evolution in the Hawaiian cricket genus Laupala

@article{Shaw2001MatingAA,
  title={Mating asymmetry and the direction of evolution in the Hawaiian cricket genus Laupala},
  author={Kerry L Shaw and E. Lugo},
  journal={Molecular Ecology},
  year={2001},
  volume={10}
}
Based on studies from native Hawaiian Drosophila, a model was proposed to explain sexual isolation and mating asymmetry, from which one could potentially infer the ‘direction of evolution’. We examined sexual isolation between allopatric cricket species of the genus Laupala, another endemic Hawaiian insect with an elaborate mating system, to begin to explore the nature of sexual isolation and mating asymmetry in closely related Hawaiian organisms. We studied sexual isolation and mating… 
Genetically Regulated Temporal Variation of Novel Courtship Elements in the Hawaiian Cricket Genus Laupala
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This study documents interspecific differences in the onset and duration of courtship, spermatophore production rate, and diel mating rhythmicity in Laupala and suggests an evolutionary pathway to the origins of novel timing phenotypes.
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Kaneshiro's hypothesis suggests that divergence in sexual characters between populations may arise in allopatry when 'derived' founding populations are subject to severe population bottlenecks, accompanied by a relaxation of sexual selection relative to 'ancestral' source populations.
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TLDR
The dynamics of sexual selection, i.e. changes within the sexual environment of a population, are reviewed as an important driver of evolutionary change especially during the initial stages of species formation.
Reproductive Asynchrony and the Divergence of Hawaiian Crickets
TLDR
The presence of interspecific variation and the absence of intraspecific variation revealed by the study do not support a pattern of reproductive character displacement for diel reproductive behavior, suggesting that the differences seen between species were not caused by recent species interactions.
PARALLEL EVOLUTION OF SEXUAL ISOLATION IN STICKLEBACKS
TLDR
This work investigates the roles of divergent natural and sexual selection in the evolution of sexual isolation between sympatric species of threespine sticklebacks and finds that sexual isolation arises in the same way: assortative mating on body size and asymmetric isolation due to male nuptial color.
PARALLEL EVOLUTION OF SEXUAL ISOLATION IN STICKLEBACKS
TLDR
This work investigates the roles of divergent natural and sexual selection in the evolution of sexual isolation between sympatric species of threespine sticklebacks and finds that sexual isolation arises in the same way: assortative mating on body size and asymmetric isolation due to male nuptial color.
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