Abstract
Unlike many species of Drosophila flies that colonize decaying fruits, Drosophila suzukii lay eggs in ripening fruits. The oviposition and feeding site preferences for bacterial growth were quantified in multiple strains of D. suzukii and its closely related species, D. subpulchrella and D. biarmipes . A continuous degree of preference for oviposition sites with Acetobacter growth both within and across species suggested that the separation in resource usage is notable but not complete among these species. The lack of interspecific differences in feeding site preference for Acetobacter -containing media implied that the oviposition site preferences evolved independently from the feeding site preference.
Published Version
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