Abstract
Six strains of the cosmopolitan speciesD. immigrans from the Australian life zone plus one from the USA, show weak sexual isolation and more rarely sexual selection. Levels of sexual isolation cannot be related to geographic distances. Assortative mating may have evolved as a byproduct of ecological divergence.
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This research was supported by the Australian Research Grants Committee (P. A. P.).
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Ehrman, L., Parsons, P.A. Sexual isolation among widely distributed populations ofDrosophila immigrans . Behav Genet 10, 401–407 (1980). https://doi.org/10.1007/BF01065601
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DOI: https://doi.org/10.1007/BF01065601