SEXUAL ISOLATION, SPECIATION AND THE DIRECTION OF EVOLUTION

@article{Kaneshiro1980SEXUALIS,
  title={SEXUAL ISOLATION, SPECIATION AND THE DIRECTION OF EVOLUTION},
  author={Kenneth Y. Kaneshiro},
  journal={Evolution},
  year={1980},
  volume={34}
}
Kaneshiro (1976), in his study of behavioral isolation among four species of Hawaiian Drosophila, made the observation that isolation was asymmetrical between allopatric species. That is, between any allopatric pair of species, sexual isolation was strong in one direction but showed weak or no isolation in the other reciprocal. Based on the assumption that "elements of behavior" are "lost" during founder events due to severe drift conditions and the genetic revolution which accompanies such… 
ASYMMETRICAL MATING PATTERNS BETWEEN GEOGRAPHIC STRAINS OF DROSOPHILA MERCATORUM: A TEST OF THE KANESHIRO HYPOTHESIS
TLDR
Kaneshiro (1976) and Ohta (1978) observed asymmetrical behavioral isolation between species pairs of Hawaiian Drosophila whose phylogenetic relationships had previously been inferred from cytology, morphology, and biogeography, and proposed that founder events might also involve selection for decreased female discrimination.
The Significance of Asymmetrical Sexual Isolation
TLDR
The Kaneshiro model provides a reasonable explanation of asymmetrical sexual isolation, which may result from several underlying genetic mechanisms.
Evolution of mating isolation between populations of Drosophila ananassae
TLDR
The ancestral relationships of several populations from the South Pacific that show particularly strong mate discrimination are clarified and suggests that they may be in the early stages of speciation.
Behavioural reproductive isolation and speciation in Drosophila
TLDR
An overview of speciation mediated through behavioural incompatibility in different species groups of Drosophila with particular reference to the models proposed on the basis of one-sided ethological isolation to predict the direction of evolution is documents.
Founder effects and the evolution of asymmetrical sexual isolation in a rapidly-speciating clade
TLDR
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.
Mating asymmetry and the direction of evolution in the Hawaiian cricket genus Laupala
TLDR
Sexual isolation between allopatric cricket species of the genus Laupala, another endemic Hawaiian insect with an elaborate mating system, is examined, demonstrating asymmetry in sexual isolation between reciprocal combinations of L. nigra and L. paranigra.
Sequential Differentiation of Sexual Behavior in Populations of Drosophila silvestris
TLDR
The data obtained from this study provide a basis for inferring the direction of evolution among the six populations of silvestris and suggest that the population on Hualalai is the oldest population, and from there, two separate lineages gave rise to the remaining five populations.
Role of sexual selection in speciation in Drosophila
TLDR
Comparative studies based on intra- and inter-sexual selection provide evidence that both mate choice and male–male competition can cause selection of trait and preference which thereby leads to divergence among species.
IMPACT OF EXPERIMENTAL DESIGN ON DROSOPHILA SEXUAL ISOLATION STUDIES: DIRECT EFFECTS AND COMPARISON TO FIELD HYBRIDIZATION DATA
TLDR
A newly devised measure of mating frequencies is used that is able to disentangle sexual isolation from species differences in mating propensity and suggests that sexual isolation between these species is due largely to discrimination against D. yakuba males by D. santomea females.
CONSPECIFIC SPERM PRECEDENCE IN SISTER SPECIES OF DROSOPHILA WITH OVERLAPPING RANGES
  • Audrey S. Chang
  • Biology
    Evolution; international journal of organic evolution
  • 2004
TLDR
It is suggested that noncompetitive and competitive gametic isolating barriers may contribute to reproductive isolation between D. yakuba and D. santomea where they are sympatric.
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