Ethological isolation among three species of the planitibia subgroup of Hawaiian Drosophila.

@article{Ahearn1974EthologicalIA,
  title={Ethological isolation among three species of the planitibia subgroup of Hawaiian Drosophila.},
  author={J. N. Ahearn and H. Carson and T. Dobzhansky and K. Kaneshiro},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={1974},
  volume={71 3},
  pages={
          901-3
        }
}
Drosophila heteroneura and D. silvestris are sympatric species living on the island of Hawaii, while D. planitibia is allopatric on the nearby island of Maui. A pronounced ethological isolation is found between the sympatric species, and none between allopatric ones, except that D. planitibia females discriminate against D. heteroneura males. Male hybrids are sterile in allopatric crosses but fertile in sympatric ones. The ethological isolation and the hybrid sterility are uncorrelated. This is… Expand
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