Erin M. Giglio and Kelly A. Dyer Divergence of premating behaviors in the closely related species Drosophila subquinaria and D. recens Ecology and Evolution 3
This divergence of signal traits and preferences is thought to be an important cause of behavioral isolation during the speciation process. Here, we use manipulative and observational studies to examine the sensory modalities used in courtship by two closely related species, Drosophila subquinaria and D. recens, which overlap in geographic range and are incompletely reproductively isolated. Our results indicate that divergence in mating signals and preferences have occurred on a relatively short timescale within and between these species.
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